body, html {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
    color: #fff;
    background: url('https://images.unsplash.com/photo-1488590528505-98d2b5aba04b?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
}

.content {
    text-align: center;
}

h1 {
    font-size: 3rem;
    margin-bottom: 0.5em;
}

p {
    font-size: 1.2rem;
    margin-bottom: 2em;
}

#countdown {
    font-size: 1.5rem;
}

#countdown ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
}

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

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

.social-media {
    margin-top: 2em;
}

.social-media a {
    color: #fff;
    margin: 0 1em;
    font-size: 2rem;
    text-decoration: none;
}

.social-media a:hover {
    color: #ddd;
}