#file {
  box-shadow: 0 0 6px #333;
}
input[type=file] {
  display: block;
}
#droptarget {
  height: 80px;
  margin: 13px 0;
  border: 2px dashed gray;
  border-radius: 20px;
  text-align: center;
  line-height: 80px;
  font-size: 3em;
  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAALEgAACxIB0t1+/AAAABx0RVh0U29mdHdhcmUAQWRvYmUgRmlyZXdvcmtzIENTNXG14zYAAAAVdEVYdENyZWF0aW9uIFRpbWUANS8yNC8xMKfu+JsAAAA5SURBVDiNYzQ2NpZiIAKcOXPmGTHqmIhRRAoYNXDUwMFgIOP///+JUmhiYkJUjhr8Xh41cNRAMgAAw6QH16bUnKsAAAAASUVORK5CYII=");
}