html,
body {
    margin: 0;
    padding: 0;
}
html {
    font-size: 62.5%;
    font-size: calc(1em * .625);
}
.wrap {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

h1 {
    font-family: 'Source Code Pro', monospace;
    font-size: 3rem;
    letter-spacing: 5px;
    font-weight: 300;
    text-transform: uppercase;
    color: #4e4b4f;
}

@media screen and (max-width: 400px) {
    h1 {
        font-size: 1.6rem;
    }
}