#kalk1, #kalk2, #kalk3{
    width: 400px;
    border: 1pt solid grey;
    border-radius: 15px;
    background-color: lightcyan;
    padding: 2%;
}
input[type="number"] {
    width: 100px;
    height: 30px;
    border: 1px solid #ccc;
    background-color: #f7f7f7;
    color: #333;
    appearance: none;
}
input[type="button"] {
    width: 30px;
    height: 30px;
    border: 1px solid #ccc;
    background-color: #f7f7f7;
    color: #333;
    appearance: none;
}
input[type="button"]#teine{
    width: 100px;
    height: 30px;
    border: 1px solid #ccc;
    background-color: #f7f7f7;
    color: #333;
    appearance: none;
}