Refactor and add new button styles

app/styles/components/_contribution-list.scss

@@ -20,6 +20,10 @@ ul.contribution-list {
     font-size: 1.2rem;
     border-bottom: 1px solid rgba(255,255,255,0.2);
 
+    &.unconfirmed {
+      grid-template-columns: auto 5rem 5rem;
+    }
+
     &:first-of-type {
       border-top: 1px solid rgba(255,255,255,0.2);
     }
@@ -34,13 +38,13 @@ ul.contribution-list {
         text-align: right;
       }
 
-      &.description {
-        grid-column-start: span 2;
-      }
+      // &.description {
+      //   grid-column-start: span 2;
+      // }
 
-      &.voting {
-        grid-column-start: span 2;
-      }
+      // &.voting {
+      //   grid-column-start: span 2;
+      // }
     }
 
     span {
@@ -92,12 +96,6 @@ ul.contribution-list {
       color: $primary-color;
       margin-right: 0.5rem;
     }
-
-    button {
-      height: 2rem;
-      line-height: 2rem;
-      padding: 0 0.6rem;
-    }
   }
 
 }