*{margin:0;padding:0;font-family:Arial,Helvetica,sans-serif;box-sizing:border-box}body{margin:0;display:flex;align-items:center;//justify-content: center;overflow:hidden}#splash-screen{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#fff;display:flex;justify-content:center;align-items:center}#splash-screen h1{font-size:24px}button{padding:10px;font-size:1.1em;background:#32bacf;color:#fff;border:none;border-radius:10px;border:1px solid rgba(0,0,0,.2);cursor:pointer}button:hover{background:rgba(0,0,0,.7)}.modal-footer{position:absolute;bottom:10px}.modal-content{height:100%;padding:10px}#modal-overlay{position:relative;z-index:1;width:400px;height:100vh;border-bottom:10px;border-radius:10px;background:rgba(255,255,255,.8);display:flex;flex-direction:column;padding:10px;word-wrap:break-word}.universe-canvas{width:100%;height:100%}