.zakladka {
    color: white;
    background-color: black;
    width: fit-content;
    padding: 5px 15px;
    transition: background-color 3s ease;
}

.zakladka:hover {
    color: rgb(211, 45, 45);
    cursor: pointer;
    background-color: rgb(53, 53, 53);
    transition: 0.2s ease-out;
}



.klocek {
    background-color: black;
    width: 200px;
    height: 200px;
    transition: margin-left 1s;
}

.klocek-content {
    height: 200px;
    width: 600px;
    background-color: rebeccapurple;
}

.klocek-content:hover .klocek {
    margin-left: 400px;
    transition: 1s cubic-bezier( 0.99, 0.58, 0.02, 0.54 );
}