style.css

body, html {
    height: 100%;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

#gui {
    display: grid;
    grid-template-rows: 350px 350px auto;
    grid-template-columns: 1100px auto;
}

#gui canvas {
    grid-area: 1 / 1 / 3 / 3;
}

#gui .teams {
    grid-area: 1 / 2 / 3 / 2;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
}

#gui .teams > div {
    margin: 10px;
    padding: 10px;
    background: rgb(223, 223, 223);
}

#gui .teams > div > div:first-child {
    display: grid;
    grid-template-columns: 83px auto;
    grid-template-rows: 1fr 2fr;
    column-gap: 10px;
}

#gui .teams > div > div:first-child > span:nth-of-type(1) {
    font-weight: bold;
    color: rgba(0, 0, 0, 0.7);
}

#gui .teams > div > div:first-child > span:nth-of-type(2) {
    font-size: 180%;
}

#gui .teams > div img {
    grid-area: 1 / 1 / 3 / 2;
}

#gui .teams > div.winner {
    position: relative;
    border: 3px solid rgb(125, 199, 15);
    box-shadow: 0px 0px 10px 0px rgb(125, 199, 15);
}

#gui .teams > div.winner::after {
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
    content: "!!! WINNER !!!";
    font-size: 140%;
    color: rgb(125, 199, 15);
}

#gui .teams > div.loser {
    position: relative;
    border: 3px solid rgb(199, 15, 30);
    box-shadow: 0px 0px 10px 0px rgb(199, 15, 30);
}

#gui .teams > div.loser::after {
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
    content: "!!! LOSER !!!";
    font-size: 140%;
    color: rgb(199, 15, 30);
}

#gui .controls {
    grid-area: 3 / 1 / 3 / 1;
    padding: 4px;
}

#gui-debug-info {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px 4px;
    font-size: 90%;
    background: rgb(216, 216, 216);
    box-shadow: 0px 0px 4px 2px rgba(0, 0, 0, 0.4);
}