#kalk1 ,#kalk2 , #kalk3, #kalk4, #kalk5{
    width: 500px;
    border: 3pt solid black;
    border-radius: 15px;
    background-color: mediumpurple;
}
input[type="number"] {
    width: 40px;
    height: 30px;
    border: 1px solid #black;
    background-color: #black;
    color: #black;
    appearance: none;
    text-align: center;
}

input[type="number"]:focus,
input[type="number"]:hover {
    border: 1px solid #black;
}
button{
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    border: none;
    color: black;
    font-weight: bolder;
    padding: 20px;
    font-size: 20px;
    cursor: pointer;
    border-radius: 6px;
    width: 140px;
}