* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    overflow-y: scroll;
    font-size: 16px;
    height: 100%;
    font-family: SansSerif, sans-serif;
}

body {
    display: grid;
    height: 100%;
}

body > main {
    display: flex;
    align-self: center;
    justify-self: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    color: #fff;
    background: linear-gradient(#444, #222);
    padding: 60px;
    border-radius: 5px;
}

h1 {
    font-size: 1.25rem;
}

a,p {
    font-size: 1rem;
    color: #aaa;
}

svg.icon {
    height: 80px;
    margin-bottom: 3rem;
}