Fix homepage main content section vertical align (#118)

assets/scss/_base.scss

@@ -10,7 +10,6 @@ html {
 }
 
 body {
-  display: flex;
   color: $fg-color;
   background-color: $bg-color;
 	font-family: $text-font-family;

assets/scss/_content.scss

@@ -1,5 +1,6 @@
 .content {
   flex: 1;
+  display: flex;
   margin-top: 1.6rem;
   margin-bottom: 3.2rem;
   article {
@@ -86,7 +87,6 @@
 
 .centered {
   display: flex;
-  height: 100%;
   align-items: center;
   justify-content: center;
   .about {

resources/_gen/assets/scss/scss/coder.scss_5e1eb8e37c42cdfb6215b61e44dcfa5f.json

@@ -1 +1 @@
-{"Target":"css/coder.min.cd087ace86754b082dec94545567f8361cba42e84f8e15edbc4a9f6e52bd1f6a.css","MediaType":"text/css","Data":{"Integrity":"sha256-zQh6zoZ1Swgt7JRUVWf4Nhy6QuhPjhXtvEqfblK9H2o="}}
+{"Target":"css/coder.min.c69bf5954f7fea8f2a0bb71d82d5219e668649fdab3dad0d1844dfbe049df7e9.css","MediaType":"text/css","Data":{"Integrity":"sha256-xpv1lU9/6o8qC7cdgtUhnmaGSf2rPa0NGETfvgSd9+k="}}