/* -*- coding: utf-8 -*- */ .UI { position: fixed; display: flex; flex-flow: column; justify-content: space-around; background-color: rgba(50,50,50,0.5); padding: 15px; height: 50%; left: 0px; top: 25%; } button{ width: 80px; height: 50px; background: } a-scene{ position: absolute; z-index: 0; } /* img { display: hidden; } */