Fix upload page

Signed-off-by: Janne Koschinski <janne@kuschku.de>

assets/sass/_page_upload.sass

@@ -66,6 +66,7 @@
       align-items: stretch
       flex-grow: 1
       .detail
+        margin-bottom: 32px
         .image
           position: relative
           .progress

assets/sass/style.sass

@@ -15,7 +15,7 @@ body
   background: #282828
   font-family: 'Lato', sans-serif
   font-size: 81.25%
-  height: 100%
+  min-height: 100%
   display: flex
   flex-direction: column