.item-container {
    width: 40vw;
    background-color: var(--color-1);
    margin-left: 5%;
    margin-right: 3%;
}

.only-one {
    margin: 0 auto;
    width: 40vw;
    margin-left: 30%;
    margin-right: 30%;
    margin-bottom: 20px;
}