html,
body {
    height: 100%;
    overflow: hidden;
    color: #ffffff;
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    margin: 0;
    padding: 0;
}

body {
    background: url('background.jpg');
    background-size: cover;
    background-position: center center;
}

.centrado {
    height: 100%;
    width: 100%;
    display: table;
}

.envolvente {
    display: table-cell;
    height: 100%;
    vertical-align: middle;
}

h2 {
    display: block;
    margin: 0;
    font-weight: 400;
    letter-spacing: 0.1ch;
    text-shadow: 0px 0px 8px #1f0701;
}

a {
    text-decoration: none;
    color: white;
    font-weight: 200;
    text-shadow: 0px 0px 8px #1f0701;
}