#tahvel{
    background-color:lightgreen;
    width: 30%;
    height: 20%;
}
h1{
    background-color: pink;
    width: 300px;
    height: 100px;
    border: solid 3pt pink;
    font-family: Arial;
}
input[type=button]{
    background-color: purple;
    color: white;
    padding: 20px 32px;
    border: 0;
}
input[type=button]:hover{
    background-color: white;
    color: black;

}