.countdown {
    text-align: center; 
    line-height: 600px;
}
.timer {
    color: white;
}
.custom-background {
    background-image: url("/images/newmantg.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    
}
.hero {
    max-height: 600px;
    height: 600px;
}

@media (max-width: 600px) {
    .countdown {
        width: 300px;
        margin: auto;
        line-height: 100px;
        padding-top: 155px;
        padding-bottom: 155px;
    }
  }