General updates

assets/sass/components/_buttons.scss

@@ -5,6 +5,11 @@
     display: inline-block;
     padding: ($base-spacing-unit / 4) $base-spacing-unit;
     text-align: center;
+    white-space: nowrap;
+    vertical-align: middle;
+    touch-action: manipulation;
+    cursor: pointer;
+    user-select: none;
     width: auto;
     transition: all .5s;
     &::-moz-focus-inner {
@@ -17,6 +22,11 @@
         color: $brand-colour;
         border: 1px solid $brand-colour;    
     }
+    .is-disabled,
+    &:disabled {
+        pointer-events: none;
+        opacity: .65;
+    }
 }
 
 .btn--inverse {
@@ -33,6 +43,9 @@
 .btn--block {
     display: block;
     width: 100%;
+    + .btn--block {
+        margin-top: $base-spacing-unit / 4;
+    }
 }
 
 .btn--link {