update style (#424)

Author: NoeTerrier

src/sass/style.sass

@@ -38,10 +38,12 @@ h1
     color: #666
 
     @media screen and (max-width: 600px)
-        font-size: 60px
+        font-size: 50px
+        font-weight: 300
 
     @media screen and (max-width: 400px)
-        font-size: 45px
+        font-size: 40px
+        font-weight: 300
 
 h3
     font-weight: 300
@@ -98,6 +100,9 @@ h4
 .bg-orange-gradient
     background: $gradient-orange
 
+    h1
+        color: white
+
 .full-height
     height: 100%