.flex {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    column-gap: 35px;
}

.center {
    flex-grow: 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    row-gap: 35px;
}

.center .dugme {
    margin: 0;
}

.center .test {
    min-height: 200px;
}

.test {
    flex-grow: 1;
    width: auto;
    min-height: 500px;
    /*background-color: yellow;
    border: 2px solid black;*/
}

@media only screen and (max-width: 1200px) {
    .center {
        flex-grow: 2;
    }
}

@media only screen and (max-width: 768px) {
    .test {
        display: none;
    }

    .center .test {
        display: block;
    }
}