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

html,
body {
    height: 100%;
    margin: 0;
    background: url('/static/images/party.gif') no-repeat center fixed;
    background-position: top center;
    background-size: cover;
}

body {
    align-items: center;
    display: flex;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.container {
    color: #333;
    margin: 0 auto;
    text-align: center;
}

h1 {
    font-weight: normal;
    letter-spacing: .125rem;
    text-transform: uppercase;
}

li {
    display: inline-block;
    font-size: 1.5em;
    list-style-type: none;
    padding: 1em;
    text-transform: uppercase;
}

li span {
    display: block;
    font-size: 4.5rem;
}

a {
    color: #333;
    text-decoration: none;
}

a:hover {
    color: blue;
    text-decoration: underline;
}

@media all and (max-width: 768px) {
    h1 {
        font-size: 1.5rem;
    }
    li {
        font-size: 1.125rem;
        padding: .75rem;
    }
    li span {
        font-size: 3.375rem;
    }
}