body{

    background-color: #30475e;
}

.main{

    padding: auto;
    margin: auto;
    width: 300px;
    height: 100px;
    margin-top: 300px;
    border-width: 10px;
    border-style: solid;
    border-color: #98acf8;
    text-align: center;
    position: relative;
    
    
   
}

.main:hover{

    background-color: #98acf8;
}

.clock{

    color: #fff;
    text-align: center;
    padding-top: 20px;
    font-family: sans-serif;
    font-weight: bold;
    font-size: 50px;

}