html {
    background: #000;
}

body {
    font-family: "Open Sans", sans-serif;
}

h1 {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
}

.center {
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}