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

body {
    padding: 0;
    margin: 0;
    height: 100%;
}

div {
    background-image: linear-gradient(#212c39, #121e3d 50%, #000);
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 28px;
    font-weight: 500;
}

div div {
    background: none;
    display: block;
    height: initial;
    text-align: center;
}

div div a {
    color: #53decb;
    font-size: 28px;
    font-weight: 600;
}

footer {
    background-color: #000;
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 30px;
}

a {
    display: block;
    width: 100%;
    height: 30px;
    color: #747474;
    font-size: 14px;
    text-align: center;
    text-decoration: none;
}