Main ui (#214)

* Class for file drop

* OCD

* We don't need the invalid state, as we'll accept all types.

* Flattening CSS

* Fixing zoom input in Firefox

* Fixing 'container' scaleTo

* two-up closer design match & smaller line

* Fixing edge bug

src/components/compress/style.scss

@@ -4,7 +4,6 @@
 
 .option-pair {
   display: flex;
-  justify-content: flex-end;
   width: 100%;
   height: 100%;
 
@@ -15,5 +14,6 @@
 
   &.vertical {
     flex-direction: column;
+    justify-content: flex-end;
   }
 }