update responsive design

src/assets/sass/main.sass

@@ -37,18 +37,12 @@ body
         margin-top: auto
 
 .container
-    padding-right: 15px
-    padding-left: 15px
     margin-right: auto
     margin-left: auto
     @media (min-width: 992px)
         max-width: 800px
-.section-header-container
-    width: 655px
-    text-align: center
-    font-size: 24px
-    margin-top: 64px
-    margin-bottom: 64px
+        padding-right: 15px
+        padding-left: 15px
 
 h1
     font-weight: 700
@@ -57,7 +51,16 @@ h1
     @media (min-width: 992px)
         font-size: 60px
     @media (min-width: 1200px)
-
+h2
+    font-size: 40px
+    font-weight: 200
+    @media (min-width: 992px)
+        font-size: 40px
+h3
+    font-size: 32px
+    font-weight: 200
+    @media (min-width: 992px)
+        font-size: 40px
 .page-head
     margin-bottom: 80px
 .page-body