#nav_2 {
    background-color: rgba(1, 1, 1, 0);
    position: sticky;
    top: 1px;
}
img {
    height: 250px;
    border-radius: 10px;
}
.block-container {
    display: flex;
    justify-content: unset;
    flex-wrap: wrap;
}
.space-between {
    justify-content: space-between;
}