diff --git a/components/ambassador/ambassador.html b/components/ambassador/ambassador.html
index 99a1c96..34ed887 100644
--- a/components/ambassador/ambassador.html
+++ b/components/ambassador/ambassador.html
@@ -1,10 +1,10 @@
 <div class="component-ambassador">
     <div class="row container mx-auto">
-        <div class="col-6 ml-auto">
+        <div class="col-10 col-md-6 mx-auto mr-md-0">
             <h3 class="title">Diventa nostro ambassador</h3>
 
             <div class="row">
-                <div class="col-8">
+                <div class="col-12 col-md-8">
                     <span class="subtitle">In palio 2 borse di studio a copertura totale.</span>
                     <p class="text">
                         Compila la lettera di motivazione e rispondi alle nostre domande, puoi vincere un free-pass per la masterclass.
@@ -13,8 +13,7 @@
                 </div>
             </div>
         </div>
-
-        <div class="col-5">
+        <div class="col-12 col-md-5 mx-auto mx-md-0 mt-4 mb-3 mt-md-0 mb-md-0">
             <img class="image" src="/images/people.png">
         </div>
     </div>
diff --git a/components/footer/footer.html b/components/footer/footer.html
index 1739924..50b2c04 100644
--- a/components/footer/footer.html
+++ b/components/footer/footer.html
@@ -1,9 +1,9 @@
 <div class="component-footer">
     <div class="row container mx-auto">
-        <div class="col-2 ml-auto d-flex">
+        <div class="col-6 col-md-2 ml-auto d-flex">
             <img class="image ml-auto" src="/images/anes.svg">
         </div>
-        <div class="col-2 mr-auto d-flex">
+        <div class="col-6 col-md-2 mr-auto d-flex">
             <img class="image mr-auto" src="/images/marketmind.svg">
         </div>
         <div class="col-12 text">
diff --git a/components/header/header.html b/components/header/header.html
index d1dae4e..a6e295c 100644
--- a/components/header/header.html
+++ b/components/header/header.html
@@ -1,28 +1,28 @@
 <header class="component-header">
     <div class="row container mx-auto">
-        <div class="col-5 ml-auto">
+        <div class="col-10 col-md-5 mx-auto ml-md-auto mr-md-0">
             <div class="row">
-                <div class="col-5 p-3 text-center">
+                <div class="col-7 col-md-5 p-3 text-center">
                     <img class="image" src="/images/b2bacademy.svg">
                 </div>
-                <div class="col-3 mx-auto p-3 text-center">
+                <div class="col-4 col-md-3 mx-auto p-3 text-center">
                     <p class="font-11 m-0">PARTNER</p>
                     <img class="image my-2" src="/images/anes.svg">
                     <img class="image my-2" src="/images/marketmind.svg">
                 </div>
                 <div class="col-12">
                     <h1 class="title">
-                        Intelligenza Artificiale per il business
+                        Intelligenza Artificiale: come implementarla operativamente in azienda
                     </h1>
 
                     <p class="subtitle">Master class</p>
                     <p class="text">
-                    La Masterclass in Intelligenza Artificiale per il business è un weekend full-immersion di formazione in cui imparerai a comprendere e utilizzare le nuove tecnologie di A.I. per creare incredibili prodotti e servizi.
+                    La Masterclass in Intelligenza Artificiale per il business è un weekend full-immersion di formazione in cui imparerai a comprendere e utilizzare le nuove tecnologie di A.I. per implementare innovativi prodotti e servizi.
                     </p>
                 </div>
             </div>
         </div>
-        <div class="col-6">
+        <div class="col-6 d-none d-md-block">
             <img class="image" src="/images/header.png">
         </div>
     </div>
diff --git a/components/header/header.scss b/components/header/header.scss
index e87106e..b10128e 100644
--- a/components/header/header.scss
+++ b/components/header/header.scss
@@ -11,9 +11,9 @@
 
   .title {
     display: block;
-    font-size: $font-50;
+    font-size: $font-40;
     font-weight: 300;
-    line-height: 60px;
+    line-height: 45px;
     color: $blue;
     padding: 40px 0 5px 0;
     margin: 0;
@@ -41,7 +41,7 @@
   .text {
     font-size: $font-18;
     font-weight: normal;
-    line-height: 22px;
+    line-height: 25px;
     padding-bottom: 50px;
     margin: 0;
     color: $dark-grey;
@@ -49,11 +49,11 @@
 
   .line {
     background: $yellow;
-    height: 70px;
+    min-height: 70px;
     text-align: center;
 
     .container {
-      height: 70px;
+      min-height: 70px;
       line-height: 70px;
 
       .line-text {
@@ -73,3 +73,35 @@
     }
   }
 }
+
+
+@media (min-width: map-get($grid-breakpoints, 'md')) {
+  .component-header {
+
+    .title {
+      font-size: $font-50;
+      line-height: 60px;
+    }
+
+    .subtitle {
+      font-size: $font-18;
+    }
+
+    .text {
+      font-size: $font-18;
+    }
+
+    .line {
+      .container {
+        line-height: 70px;
+        .line-text {
+          font-size: $font-18;
+        }
+
+        .code {
+          font-size: $font-32;
+        }
+      }
+    }
+  }
+}
diff --git a/components/info/info.html b/components/info/info.html
index c44ef73..16a9c32 100644
--- a/components/info/info.html
+++ b/components/info/info.html
@@ -1,7 +1,7 @@
 <div class="component-info">
     <div class="row container mx-auto">
-        <div class="col-6 mx-auto text-center">
-            <h3 class="title">Alcune domande a cui saprai rispondere</h3>
+        <div class="col-10 col-md-6 mx-auto text-center">
+            <h3 class="title">Hai bisogno di ulteriori informazioni?</h3>
             <p class="text">
                 Scrivi a<br>
                 informazioni@info.it
diff --git a/components/questions/questions.html b/components/questions/questions.html
index 36d566a..7344620 100644
--- a/components/questions/questions.html
+++ b/components/questions/questions.html
@@ -1,9 +1,10 @@
 <div class="component-questions">
     <div class="row container mx-auto">
-        <div class="col-6 mx-auto text-center">
+        <div class="col-10 col-md-6 mx-auto text-center">
             <h3 class="title">Alcune domande a cui saprai rispondere</h3>
             <p class="item">
-                Cos'è esattamente l'intelligenza artificiale?<br>
E quali sono i suoi limiti attuali?
+                Cos'è esattamente l'intelligenza artificiale?<br>
+E quali sono i suoi limiti attuali?
             </p>
             <p class="item">
                 Cos'è il Machine Learning e che valore può consegnare alla mia azienda / startup?
@@ -17,6 +18,10 @@
             <p class="item">
                 Qual è il processo di adozione che dovrei seguire per gestire l'implementazione di un primo progetto di AI?
             </p>
+            <p class="item">
+                Come AI può consentire di aiutare nel funnel di vendita o di marketing?
+            </p>
+
         </div>
     </div>
 </div>
diff --git a/components/register/register.html b/components/register/register.html
index 007e45d..70dbcc7 100644
--- a/components/register/register.html
+++ b/components/register/register.html
@@ -1,6 +1,6 @@
 <div class="component-register">
     <div class="row mx-auto">
-        <div class="col-5 pt-5 ml-auto">
+        <div class="col-10 col-md-5 pt-5 mx-auto ml-md-auto mr-md-0 order-1 order-md-0">
             <div class="item">
                 <span class="icon icon-marker"></span>
                 <span class="title">Milano</span>
@@ -23,7 +23,7 @@
 
             <button class="button button-blue mt-4">Registrazione</button>
         </div>
-        <div class="list col-4 mx-auto">
+        <div class="list col-10 col-md-4 mx-auto">
             <h3 class="title">A chi è rivolto</h3>
             <p class="subtitle">Il weekend full immersion è dedicato a:</p>
             <span class="list-item">
diff --git a/components/teacher/teacher.html b/components/teacher/teacher.html
index c969e0f..50564f9 100644
--- a/components/teacher/teacher.html
+++ b/components/teacher/teacher.html
@@ -1,9 +1,9 @@
 <div class="component-teacher">
     <div class="row">
-        <div class="col-4 ml-auto d-flex">
+        <div class="col-10 col-md-4 mx-auto ml-md-auto mr-md-0 d-flex">
             <img class="image mx-auto my-auto" src="/images/teacher.png">
         </div>
-        <div class="col-5 mr-auto">
+        <div class="col-10 col-md-5 mx-auto mr-md-auto ml-md-0">
             <h3 class="title">Docente</h3>
             <span class="subtitle">Fabio Foglia</span>
             <p class="text">
diff --git a/images/header.png b/images/header.png
index c4c1e04..517ef61 100644
Binary files a/images/header.png and b/images/header.png differ
diff --git a/package.json b/package.json
index 0f20e38..281fdd5 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "prod": "webpack --config webpack.config.js --mode none --env.prod",
     "add-comp": "sh ./comps.sh add",
     "del-comp": "sh ./comps.sh del",
-    "preview": "yarn prod && http-server",
+    "preview": "http-server",
     "clean": "rm -rf ./node_modules ./public ./package-lock.json"
   },
   "author": "Dslak",