html {
    background-image: url("asset/geometricbg.png");
    background-color: black;
}

#timer label {
    font-size: xx-large;
}

#container button {
    margin: 8px 0px;
}

#container {
    position: fixed;
    left: 50%;
    text-align: center;
    padding: 10px;
    transform: translate(-50%, 0%);
}

#controls {
    margin: 10px;
}

footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  text-align: center;
}