diff --git a/404.html b/404.html
index e57520a..db5e1dd 100644
--- a/404.html
+++ b/404.html
@@ -237,6 +237,8 @@
         
       
         
+      
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@@ -554,6 +556,71 @@
 
               
             
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+      
+        
+        
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="/neuron_models/lif/" class="md-nav__link ">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
+  </span>
+  
+  
+
+            </a>
+            
+          </div>
+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2_5">
+            <span class="md-nav__icon md-icon"></span>
+            
+  
+    LIF
+  
+
+          </label>
+          <ul class="md-nav__list" data-md-scrollfix>
+            
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+            
+          </ul>
+        </nav>
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+              
+            
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diff --git a/api/datasets/index.html b/api/datasets/index.html
index 675bb1c..73a46cb 100644
--- a/api/datasets/index.html
+++ b/api/datasets/index.html
@@ -244,6 +244,8 @@
         
       
         
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+        
       
         
       
@@ -561,6 +563,71 @@
 
               
             
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+  
+  
+  
+  
+    
+    
+      
+        
+          
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+    
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+    
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+      
+        
+        
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="../../neuron_models/lif/" class="md-nav__link ">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
+  </span>
+  
+  
+
+            </a>
+            
+          </div>
+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2_5">
+            <span class="md-nav__icon md-icon"></span>
+            
+  
+    LIF
+  
+
+          </label>
+          <ul class="md-nav__list" data-md-scrollfix>
+            
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+
+              
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diff --git a/api/index.html b/api/index.html
index 69c8dee..15293b4 100644
--- a/api/index.html
+++ b/api/index.html
@@ -9,7 +9,7 @@
       
       
       
-        <link rel="prev" href="../neuron_models/snowball/">
+        <link rel="prev" href="../neuron_models/lif/">
       
       
         <link rel="next" href="neuron_models/">
@@ -246,6 +246,8 @@
         
       
         
+      
+        
       
         
       
@@ -563,6 +565,71 @@
 
               
             
+              
+                
+  
+  
+  
+  
+    
+    
+      
+        
+          
+        
+      
+    
+    
+    
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+        
+        
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="../neuron_models/lif/" class="md-nav__link ">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
+  </span>
+  
+  
+
+            </a>
+            
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+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2_5">
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+  
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+  
+
+          </label>
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+            
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           </ul>
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diff --git a/api/neuron_models/index.html b/api/neuron_models/index.html
index b5c7d32..696b6a3 100644
--- a/api/neuron_models/index.html
+++ b/api/neuron_models/index.html
@@ -246,6 +246,8 @@
         
       
         
+      
+        
       
         
       
@@ -563,6 +565,71 @@
 
               
             
+              
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+  
+  
+  
+  
+    
+    
+      
+        
+          
+        
+      
+    
+    
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+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+        
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+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="../../neuron_models/lif/" class="md-nav__link ">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
+  </span>
+  
+  
+
+            </a>
+            
+          </div>
+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2_5">
+            <span class="md-nav__icon md-icon"></span>
+            
+  
+    LIF
+  
+
+          </label>
+          <ul class="md-nav__list" data-md-scrollfix>
+            
+              
+            
+          </ul>
+        </nav>
+      
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+  
+
+              
+            
           </ul>
         </nav>
       
diff --git a/api/solver/index.html b/api/solver/index.html
index d7798bb..7b208c8 100644
--- a/api/solver/index.html
+++ b/api/solver/index.html
@@ -246,6 +246,8 @@
         
       
         
+      
+        
       
         
       
@@ -563,6 +565,71 @@
 
               
             
+              
+                
+  
+  
+  
+  
+    
+    
+      
+        
+          
+        
+      
+    
+    
+    
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+        
+        
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="../../neuron_models/lif/" class="md-nav__link ">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
+  </span>
+  
+  
+
+            </a>
+            
+          </div>
+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2_5">
+            <span class="md-nav__icon md-icon"></span>
+            
+  
+    LIF
+  
+
+          </label>
+          <ul class="md-nav__list" data-md-scrollfix>
+            
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+            
+          </ul>
+        </nav>
+      
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+
+              
+            
           </ul>
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diff --git a/index.html b/index.html
index b135c13..fcb36fd 100644
--- a/index.html
+++ b/index.html
@@ -347,6 +347,8 @@
         
       
         
+      
+        
       
         
       
@@ -664,6 +666,71 @@
 
               
             
+              
+                
+  
+  
+  
+  
+    
+    
+      
+        
+          
+        
+      
+    
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+    
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+      
+        
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+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="neuron_models/lif/" class="md-nav__link ">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
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+  
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+
+            </a>
+            
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+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2_5">
+            <span class="md-nav__icon md-icon"></span>
+            
+  
+    LIF
+  
+
+          </label>
+          <ul class="md-nav__list" data-md-scrollfix>
+            
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+              
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diff --git a/neuron_models/fhn/fhn/index.html b/neuron_models/fhn/fhn/index.html
index b445ad8..9479728 100644
--- a/neuron_models/fhn/fhn/index.html
+++ b/neuron_models/fhn/fhn/index.html
@@ -243,6 +243,8 @@
         
       
         
+      
+        
       
         
       
@@ -570,6 +572,71 @@
 
               
             
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+  
+  
+  
+    
+    
+      
+        
+          
+        
+      
+    
+    
+    
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+    <li class="md-nav__item md-nav__item--nested">
+      
+        
+        
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="../../lif/" class="md-nav__link ">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
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+  
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+
+            </a>
+            
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+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2_5">
+            <span class="md-nav__icon md-icon"></span>
+            
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+
+          </label>
+          <ul class="md-nav__list" data-md-scrollfix>
+            
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+              
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           </ul>
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diff --git a/neuron_models/fhn/index.html b/neuron_models/fhn/index.html
index b676232..9d66e5d 100644
--- a/neuron_models/fhn/index.html
+++ b/neuron_models/fhn/index.html
@@ -248,6 +248,8 @@
         
       
         
+      
+        
       
         
       
@@ -567,6 +569,71 @@
 
               
             
+              
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+  
+  
+  
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+      
+        
+          
+        
+      
+    
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+      
+        
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+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="../lif/" class="md-nav__link ">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
+  </span>
+  
+  
+
+            </a>
+            
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+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2_5">
+            <span class="md-nav__icon md-icon"></span>
+            
+  
+    LIF
+  
+
+          </label>
+          <ul class="md-nav__list" data-md-scrollfix>
+            
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+
+              
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diff --git a/neuron_models/index.html b/neuron_models/index.html
index 10ae00c..67a1933 100644
--- a/neuron_models/index.html
+++ b/neuron_models/index.html
@@ -248,6 +248,8 @@
         
       
         
+      
+        
       
         
       
@@ -565,6 +567,71 @@
 
               
             
+              
+                
+  
+  
+  
+  
+    
+    
+      
+        
+          
+        
+      
+    
+    
+    
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+        
+        
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="lif/" class="md-nav__link ">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
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+  
+  
+
+            </a>
+            
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+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2_5">
+            <span class="md-nav__icon md-icon"></span>
+            
+  
+    LIF
+  
+
+          </label>
+          <ul class="md-nav__list" data-md-scrollfix>
+            
+              
+            
+          </ul>
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+      
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+
+              
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diff --git a/neuron_models/lif/index.html b/neuron_models/lif/index.html
index 742c6d2..49eb841 100644
--- a/neuron_models/lif/index.html
+++ b/neuron_models/lif/index.html
@@ -9,6 +9,10 @@
       
       
       
+        <link rel="prev" href="../snowball/">
+      
+      
+        <link rel="next" href="../../api/">
       
       
         
@@ -19,7 +23,7 @@
     
     
       
-        <title>LIF - Felice models</title>
+        <title>Description - Felice models</title>
       
     
     
@@ -111,7 +115,7 @@
         <div class="md-header__topic" data-md-component="header-topic">
           <span class="md-ellipsis">
             
-              LIF
+              Description
             
           </span>
         </div>
@@ -230,6 +234,8 @@
       
   
   
+    
+  
   
   
     
@@ -242,6 +248,8 @@
         
       
         
+      
+        
       
         
       
@@ -249,11 +257,11 @@
     
     
     
-    <li class="md-nav__item md-nav__item--nested">
+    <li class="md-nav__item md-nav__item--active md-nav__item--nested">
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" checked>
         
           
           <div class="md-nav__link md-nav__container">
@@ -281,7 +289,7 @@
             
           </div>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
             
@@ -557,6 +565,73 @@
     </li>
   
 
+              
+            
+              
+                
+  
+  
+    
+  
+  
+  
+    
+    
+      
+        
+          
+        
+      
+    
+    
+    
+    
+    <li class="md-nav__item md-nav__item--active md-nav__item--nested">
+      
+        
+        
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" checked>
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="./" class="md-nav__link md-nav__link--active">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
+  </span>
+  
+  
+
+            </a>
+            
+          </div>
+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_2_5">
+            <span class="md-nav__icon md-icon"></span>
+            
+  
+    LIF
+  
+
+          </label>
+          <ul class="md-nav__list" data-md-scrollfix>
+            
+              
+            
+          </ul>
+        </nav>
+      
+    </li>
+  
+
               
             
           </ul>
@@ -802,6 +877,64 @@
   
 
 
+  <nav class="md-path" aria-label="Navigation" >
+    <ol class="md-path__list">
+      
+        
+  
+  
+    <li class="md-path__item">
+      <a href="../.." class="md-path__link">
+        
+  <span class="md-ellipsis">
+    Home
+  </span>
+
+      </a>
+    </li>
+  
+
+      
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="../" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    Neuron Models
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+        
+  
+  
+    
+    
+      <li class="md-path__item">
+        <a href="./" class="md-path__link">
+          
+  <span class="md-ellipsis">
+    LIF
+  </span>
+
+        </a>
+      </li>
+    
+  
+
+      
+    </ol>
+  </nav>
+
               
               <article class="md-content__inner md-typeset">
                 
diff --git a/neuron_models/snowball/index.html b/neuron_models/snowball/index.html
index a03a795..1cd593e 100644
--- a/neuron_models/snowball/index.html
+++ b/neuron_models/snowball/index.html
@@ -12,7 +12,7 @@
         <link rel="prev" href="../fhn/fhn/">
       
       
-        <link rel="next" href="../../api/">
+        <link rel="next" href="../lif/">
       
       
         
@@ -248,6 +248,8 @@
         
       
         
+      
+        
       
         
       
@@ -567,6 +569,71 @@
 
               
             
+              
+                
+  
+  
+  
+  
+    
+    
+      
+        
+          
+        
+      
+    
+    
+    
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+        
+        
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="../lif/" class="md-nav__link ">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
+  </span>
+  
+  
+
+            </a>
+            
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+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2_5">
+            <span class="md-nav__icon md-icon"></span>
+            
+  
+    LIF
+  
+
+          </label>
+          <ul class="md-nav__list" data-md-scrollfix>
+            
+              
+            
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+              
+            
           </ul>
         </nav>
       
diff --git a/neuron_models/wererabbit/index.html b/neuron_models/wererabbit/index.html
index cc76d34..570df89 100644
--- a/neuron_models/wererabbit/index.html
+++ b/neuron_models/wererabbit/index.html
@@ -248,6 +248,8 @@
         
       
         
+      
+        
       
         
       
@@ -567,6 +569,71 @@
 
               
             
+              
+                
+  
+  
+  
+  
+    
+    
+      
+        
+          
+        
+      
+    
+    
+    
+    
+    <li class="md-nav__item md-nav__item--nested">
+      
+        
+        
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        
+          
+          <div class="md-nav__link md-nav__container">
+            <a href="../lif/" class="md-nav__link ">
+              
+  
+  
+  <span class="md-ellipsis">
+    
+  
+    LIF
+  
+
+    
+  </span>
+  
+  
+
+            </a>
+            
+          </div>
+        
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_2_5">
+            <span class="md-nav__icon md-icon"></span>
+            
+  
+    LIF
+  
+
+          </label>
+          <ul class="md-nav__list" data-md-scrollfix>
+            
+              
+            
+          </ul>
+        </nav>
+      
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+              
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           </ul>
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diff --git a/neuron_models/wererabbit/wererabbit/index.html b/neuron_models/wererabbit/wererabbit/index.html
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+            <a href="../neuron_models/lif/" class="md-nav__link ">
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+</li>
+        
+          <li class="md-nav__item">
+  <a href="#section-2-5" class="md-nav__link">
+    <span class="md-ellipsis">
+      
+        2.5 LIF
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+        
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+</li>
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+      </ul>
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+  
 </li>
         
       </ul>
@@ -3518,6 +3613,18 @@ All other transistors W/L = 4/3</p>
 <ol>
 <li>Rubino, Arianna, Melika Payvand, and Giacomo Indiveri. "Ultra-low power silicon neuron circuit for extreme-edge neuromorphic intelligence." 2019 26th IEEE International Conference on Electronics, Circuits and Systems (ICECS). IEEE, 2019.</li>
 <li>Bartolozzi, Chiara, Srinjoy Mitra, and Giacomo Indiveri. "An ultra low power current-mode filter for neuromorphic systems and biomedical signal processing." 2006 IEEE Biomedical Circuits and Systems Conference. IEEE, 2006.</li>
+</ol></section></section>
+                    <section class='print-page md-section' id='section-2-5' heading-number='2.5'>
+                        <h1>LIF<a class='headerlink' href='#section-2-5' title='Permanent link'></a>
+                        </h1>
+                    <section class="print-page" id="neuron_models-lif" heading-number="2.5.1"><h1 id="neuron_models-lif-lif">LIF</h1>
+<h2 id="neuron_models-lif-circuit-design">Circuit Design</h2>
+<p>W/L = 4/3</p>
+<h2 id="neuron_models-lif-circuit-simulation">Circuit Simulation</h2>
+<p><img alt="lif, output plot" src="../neuron_models/lif/lif_plot.png" /> Fig.1 The dynamics of leaky integrate and fire neuron. The grey signal is the input spikes, the yellow signal is the membrane potential and the dark blue is the output spikes from the neuron.</p>
+<h2 id="neuron_models-lif-referennces">Referennces</h2>
+<ol>
+<li>Sourikopoulos I, Hedayat S, Loyez C, Danneville F, Hoel V, Mercier E and Cappy A (2017) A 4-fJ/Spike Artificial Neuron in 65 nm CMOS Technology. Front. Neurosci. 11:123. doi: 10.3389/fnins.2017.00123</li>
 </ol></section></section></section>
                     <section class='print-page md-section' id='section-3' heading-number='3'>
                         <h1>API Reference<a class='headerlink' href='#section-3' title='Permanent link'></a>
@@ -8402,6 +8509,9 @@ spike when reach a fixpoint.</p>
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 .print-site-enumerate-headings #neuron_models-snowball > h1:before { content: '2.4.1 ' }
 
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+.print-site-enumerate-headings #neuron_models-lif > h1:before { content: '2.5.1 ' }
+
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