change the value.

_layouts/home.html

@@ -12,7 +12,7 @@
       <div class="main-info">
         <a href="{{ site.url }}" class="logo"><img src="{{ site.url }}/images/{{ site.logo }}"></a>
         <h1>
-          {{ site.title }}
+          {{ site.title }}testtest
         </h1>
         <h2>
           {{ site.description }}

assets/_sass/_site.scss

@@ -1,5 +1,6 @@
 .block-left {
   float: left;
+  width: 30%;
   .content {
     z-index: 1;
     position: relative;
@@ -8,12 +9,13 @@
 
 .block-right {
   float: right;
+  width: 70%;
   overflow-y: auto;
 }
 
 .block-left,
 .block-right {
-  width: 50%;
+  //width: 50%;
   height: 100%;
   position: relative;
   display: table;