* {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

html {

    background-color: #fff;
    color: #333;
    font-size: 16px;
    line-height: 1.5;
    font-weight: 400;
    height: 100%;
    min-height: 100%;
    box-sizing: border-box;
    margin: 0;

}

body {

    display: flex;
    flex-direction: column;
    min-height: 100%;
    -webkit-text-size-adjust: none; /* Prevent iPhone Text Enlargement */
    margin: 0;
    font-family: sans-serif;

}

h1 {  font-size: 8rem; }

main {

    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    color: #fff;
    font-size: 32px;

}

.fencing, .circling { display: none; }
.red { background: #ff0000; }
.blue { background: #46b1e1; }