#klocka {
    position: relative;
    height: 400px;
    width: 400px;
    border: 2px solid;
    border-radius: 100%;
}

#sec {
    position: absolute;
    height: 200px;
    width: 2px;
    margin: auto;
    background-color: red;
    top: 0;
    left: 50%;
    transform-origin: 50% 100%;
}

#min {
    position: absolute;
    height: 200px;
    width: 5px;
    margin: auto;
    background-color: black;
    top: 0;
    left: 50%;
    transform-origin: 50% 100%;
}

#hour {
    position: absolute;
    height: 150px;
    width: 5px;
    margin: auto;
    background-color: black;
    top: 50px;
    left: 50%;
    transform-origin: 50% 100%;
}