#kalk1, #kalk2, #kalk3{
    width: 400px;
    border: 1pt gray;
    border-radius: 15px;
    background-color: teal;
}
input[type="number"]{
    width: 40px;
    height: 30px;
    border: 1px solid #ccc;
    border-radius: 10px;
    color: gray;
    appearance: none;
    text-align: center;
}

input[type="number"]:focus,
input[type="number"]:hover{
    border: 1px solid #999;
}
input[type="bottom"]{
    width: 40px;
    height: 30px;
    border: 1px solid #ccc;
    border-radius: 10px;
    color: gray;
    appearance: none;
    text-align: center;
}