#kalk1{
    width: 250px;
    border: 1pt red;
    border-radius: 15px;
    background-color: green;

}
#kalk2{
    width: 200px;
    border: 1pt red;
    border-radius: 15px;
    background-color: purple;
}
#kalk3{
    width: 400px;
    border: 1pt yellow;
    border-radius: 40px;
    background-color: cadetblue;
}