.catalog-alum_list {
    display: flex;
    flex-wrap: wrap;
    max-width: 1840px;
    margin: 0 auto;
    justify-content: space-around;
    padding: 0px 10px 60px 10px;
}
.section_catalog .curtain-slider {
    padding: 0px;
}
.catalog-alum_item video{
    width: 394px;
}
.catalog-alum_item {
    margin-bottom: 3rem;
}
.catalog-alum_item_a {
    height: 100%;
    display: flex;
    flex-direction: column;
    text-decoration: none;
}
.catalog-alum_item_title {
    letter-spacing: 0.06em;
    font: bold 24px "Bebas Neue", Roboto;
    padding: 15px 0px 15px 20px;
    position: relative;
    background-color: #f6f6f6;
    z-index: 1;
}
.catalog-alum_item_title::before {
    content: "";
    position: absolute;
    background: #b4c8ff;
    width: 11px;
    left: 0;
    top: 0;
    height: 100%;
    transition: all 0.3s ease-out 0s;
    z-index: -1;
}

.catalog-alum_item:hover .catalog-alum_item_title::before{
    width: 100%;
}
.more_btn {
    text-align: right;
    font: 600 20px "Bebas Neue", Roboto;
    position: relative;
    z-index: 1;
    width: fit-content;
    margin: 0px auto 60px auto;
    cursor: pointer;
}
.more_btn::before {
    content: '';
    width: 35px;
    height: 35px;
    background-color: #b4c8ff;
    position: absolute;
    z-index: -1;
    right: 78px;
    top: -6px;
}

@media (max-width: 1620px) {
    .catalog-alum_list {
        display: grid;
        grid-template-columns: 30% 30% 30%;
        gap: 36px;
        max-width: 1260px;
    }
    .catalog-alum_item {
        margin: 0px;
    }
}
@media (max-width: 1279px){
    .catalog-alum_list {
        grid-template-columns: 30% 30% 30%;
        gap: 36px;
    }
    .catalog-alum_item video{
        width: unset;
    }
}
@media (max-width: 1000px) {
    .catalog-alum_list {
        grid-template-columns: 30% 30% 30%;
        gap: 36px;
    }
}
@media (max-width: 799px) {
    .catalog-alum_list {
        padding: 0px 20px 30px 20px;
        grid-template-columns: 46% 46%;
        gap: 30px;
    }
    .catalog-alum_item_title {
        font-size: 16px;
    }
}
@media (max-width: 500px){

}
@media (min-width: 400px) {
    .more_btn {
        display: none;
    }

}
@media (max-width: 400px) {
    .catalog-alum_list {
        grid-template-columns: 100%;
    }
    .catalog-alum_item:nth-child(n+5) {
        display: none;
    }
}