*{
    box-sizing: border-box;
}
body{
    background-image: url('https://images.unsplash.com/photo-1467810563316-b5476525c0f9?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1349&q=80');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    height: 100vh;
    color: #fff;
    font-family: 'Lato',sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: 0;
    overflow: hidden;
}

/*Add a dark overlay*/

body::after{
    content: '';
    position: absolute;
    top:0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

body *{
    z-index: 1;
}

h1{
    font-size: 60px;
    margin: -80px 0 40px;
}
.year{
    font-size: 200px;
    z-index: -1;
    opacity: 0.2;
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}
/*display : flex*/
.countdown{
    display: none;
    transform: scale(2);
}

.time{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 15px;
}

.time h2{
    margin: 0 0 5px;
}

@media  (max-width: 500px){
    h1 {
        font-size : 45px;
    }

    .time{
        margin: 5px;
    }

    .time h2{
        font-size: 12px;
        margin: 0;
    }

    .time small{
        font-size: 10px;
    }
}