#log {
    width: 400px;
    height: 25px;
    border: 1px solid black;
    margin: 0 auto;
    background-color: white;
}

#bench-result {
    width: 400px;
    height: 170px;
    border: 1px solid black;
    margin: 0 auto;
    background-color: white;
}