.countdown div{
    font-size: 3em;
    background-color: rgb(0, 255, 242);
    width: 75px;
    height: 60px;
    margin: 4px;
    border-style: inset;
    text-align: center;
    vertical-align: middle;
}

.title div{
    font-size:1.0em;
    font-weight: bold;
    padding: 4px;
    margin: 0px;
    width: 75px;
    height: 15px;
    align-self: center;
    text-align: center;
}

.title{
    margin: 0px;
    height: 40px;
    width: auto;
    display: flex;
    justify-content:center;
    align-content: center;
    width: 345px;
}
.countdown{
    width: auto;
    margin: 0px;
    padding: 0px;
    height: 77px;
    display: flex;
    justify-content:center;
    align-content: center;
}

.chrono{ /*main container*/ 
    font-family: Helvetica;
    background-color: rgb(0, 98, 255);
    width: 350px;
    height: 130px;
}

body{
    display: flex;
    justify-content: center;
}