#uhr {
    padding: 20px;
    margin: 50px 0 0 50px;
    width: 300px;
    height: 320px;
    background-color: #000000;
}
#h1 {
    float:left;
    width:30px;
    height:300px;
}
#h2 {
    float:left;
    width:30px;
    height:300px;
}
#m1 {
    float:left;
    width:30px;
    height:300px;
}
#m2 {
    float:left;
    width:30px;
    height:300px;
}
#s1 {
    float:left;
    width:30px;
    height:300px;
}
#s2 {
    float:left;
    width:30px;
    height:300px;
}
#s1o {
    float:left;
    width:5px;
    height:5px;
    background-color: #ffffff;
    margin:10px;
}
#s1u {
    float:left;
    width:5px;
    height:5px;
    background-color: #ffffff;
    margin:10px;
}
#s2o {
    float:left;
    width:5px;
    height:5px;
    background-color: #ffffff;
    margin:10px;
}
#s2u {
    float:left;
    width:5px;
    height:5px;
    background-color: #ffffff;
    margin:10px;
}