#hlavniobsah {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom: 0;
}

#pexeso {
    border: 2px solid black;
    width: 90%;
    margin: 0 auto;
    background-color: unset;
    background-repeat: no-repeat;
    background-position: 50% 50%;
    background-size: 100% 100%;
    display: flex;
    flex-wrap: wrap;
}

.karticka {
    width: 25%;
    padding: 5% 0;
    font-size: 200%;
    border: 2px solid black;
    box-sizing: border-box;
    background-color: #FFF1D3;
}

.karticka:hover {
    cursor: pointer;
}

.odkryta {
    background-color: #E7CC92;
}

.neodkryta {
    background-color: orange;
}

.skryta {
    visibility: hidden;
}