Fix homepage overflow (#107)

Home content area overflows when screen height is short:
Fixed by using min-height instead of fixed 100vh height.

assets/scss/style.scss

@@ -327,7 +327,7 @@ table {
 //
 #spotlight {
   display: flex;
-  height: 100vh;
+  min-height: 100vh;
   flex-direction: column;
   align-items: center;
   justify-content: center;