.screen {
    border: solid;
    width: 300px;
    height: 300px;
    margin-top: 100px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    }
.question {
    font-size: 500%;
    }
.score {
    position:absolute;
    bottom:5px;
    left:0px;
    text-align: center;
    }
.score td, th {
    padding-left: 30px;
    }
.timer {
    position:absolute;
    bottom:5px;
    right:0px;
    }
.timer td {
    padding-right: 40px;
    }