* {
    box-sizing: border-box;
}

html,body{
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: white;
    background: #333;
    overflow: hidden;
}

.landing{
    position: relative;
    background-image: url('../img/pexels-photo-60626.jpeg') ;
    background-size: cover;
    background-position: center;
    height: 100vh;

}

.landing-inner{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    text-align: center;
    padding-top: 50px;    
}

.landing h1{
    font-size: 50px;
}

.landing p{
    font-size: 20px;
}

.landing-inner img{
    size: 50%;
}

.countdown{
    font-size: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.countdown div {
    padding: 20px;
    border: 1px solid #fff;
    border-radius: 10px;
    margin: 5px;
    opacity: 0.7;
    background: #000;
}

.countdown div:first-child{
    background: #17a2b8;
}

.countdown span{
    display: block;
    font-size: 25px;
}

@media (max-width: 650px){
    .landing img{
        width: 70%;
    }
    .landing h1{
        font-size:  40px;
    }
    .countdown{
        font-size: 30px;
    }
}



.countdown span{
    display: block;
    font-size: 25px;
}