#promotional-materials{
    width: 95%;
    max-width: 915px;
}
.block2__fshift.container .tl-b.tl_brd{
    aspect-ratio: 1/1;
}
.brand {
    position: relative;
    background-repeat: no-repeat;
    background-position: 50% 50%;
}
.brand__img {
    object-fit: contain;
}
.brand-item {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter: grayscale(100%);
    filter: gray;
    -webkit-transition: all 1s;
    -moz-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}
.brand-item:hover {
    -webkit-filter: none;
    -moz-filter: none;
    -ms-filter: none;
    -o-filter: none;
    filter: none;
    filter: none;
}