#klavesy{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    padding: 25px;
}
#kal{
    font-family: Arial, sans-serif;
    background-color: rgb(249, 224, 187);
    border-radius: 15px;
    max-width: 500px;
    overflow: hidden;
}
#display{
    width: 100%;
    padding: 20px;
    font-size: 5rem;
    text-align: left;
    border: none;
    background-color: rgb(195, 129, 84);
}

button{
    width: 100px;
    height: 100px;
    border-radius:50px ;
    border: none;
    background-color: rgb(195, 129, 84);
    color: white;
    font-size: 3rem;
    font-weight: bold;
    cursor: pointer;
}
button:hover{
    background-color: rgba(195, 129, 84, 0.7);
 
}
button:active{
    background-color: rgba(195, 129, 84, 0.7);
 
}
.operator{
    background-color: rgb(255, 194, 111);
    color: black;
}
.operator:hover{
    background-color: rgba(255, 194, 111, 0.5);

}