more fixes, add fullwidth

src/components/popover/popover.js

@@ -99,7 +99,7 @@ const Popover = {
       const yOffset = (this.offset && this.offset.y) || 0
       const translateY = usingTop
         ? -anchorEl.offsetHeight - yOffset - content.offsetHeight
-        : yOffset
+        : -yOffset
 
       const xOffset = (this.offset && this.offset.x) || 0
       const translateX = (anchorEl.offsetWidth * 0.5) - content.offsetWidth * 0.5 + horizOffset + xOffset

src/components/popover/popover.vue

@@ -3,12 +3,13 @@
     @mouseenter="onMouseenter"
     @mouseleave="onMouseleave"
   >
-    <div
+    <button
       ref="trigger"
+      class="button-unstyled -fullwidth"
       @click="onClick"
     >
       <slot name="trigger" />
-    </div>
+    </button>
     <div
       v-if="!hidden"
       ref="content"