style.css

/*! root  */
*{
    margin: 0;
    padding: 0;
    font-family: "poppins", sans-serif;
}

/* ! body  */
body{
    background: #000 url(./assets/b.jpg);
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: hard-light;
}

.container{
position: absolute;
top :30px;
left: 40px;
right: 40px;
bottom: 30px;
background: url(./assets/b.jpg);
background-size: cover;
background-attachment: fixed;
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
box-shadow: 0 50px 50px rgba(0,0,0,0.5), 0 0 0 100px rgba(0,0,0,0.2);
}

.container h2{
    text-align: center;
    font-size: 9em;
    line-height: 0.8em;
    color: #333;
    margin-top:-100px;
}

.container h2 span{
    display: block;
    font-weight: 300;
    letter-spacing: 6px;
    font-size: 0.22em;
}

.countdown{
    display:flex;
    margin-top: 50px;
}

.countdown div{
    position: relative;
    width: 70px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    background:#333;
    color:#fff;
    margin: 0 15px;
    font-size: 35px;
    font-weight: 500;
}

/*
!   countdown
*/
.countdown div:before{
content: '';
position: absolute;
bottom: -45px;
left: 0;
width: 100%;
height: 38px;
background: #ff0;
color:#333fff;
font-size: 0.47em;
line-height:38px;
font-weight: 300;
}

.countdown #day:before{
content: 'Days';
}

.countdown #hour:before{
content: 'Hours';
}

.countdown #minute:before{
content: 'Minutes';
}

.countdown #second:before{
content: 'Seconds';
}

/* .countdown #ms:before
{
content: 'M-S';
} */