#catalog {
    padding: 0 0 100px 0;
    background: #000;
}
#catalog .section-header h3 {
    color: #fff;
    font-weight: 500;
}
#catalog .section-header h3 span {
    font-size: 1rem;
    margin-left: 10px;
}
#catalog .section-header h3::after,
#catalog .section-header h3::before {
    content: unset;
}
#catalog .catalog-box {
    padding: 100px 30px 0 30px;
}
#catalog .catalog-box .catalog-item .img-box {
    background: #fff;
    padding: 0.6rem;
    width: 100%;
}
#catalog .catalog-box .catalog-item .txt-box {
    background: #fff;
    text-align: center;
    padding: 0.6rem;
    padding-top: 0;
    font-weight: 500;
    color: #000;
}
#catalog .catalog-box .catalog-item a {
    text-decoration: unset;
}
#catalog .catalog-box .catalog-item a i {
    cursor: pointer;
    font-size: 4rem;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    color: #fff;
    z-index: 3;
    opacity: 0;
    -webkit-transition: all 0.3s linear;
    transition: all 0.3s linear;
}
#catalog .catalog-box .catalog-item::after {
    position: absolute;
    top: 0;
    left: 0%;
    width: 100%;
    height: 100%;
    content: '';
    background: #000;
    opacity: 0;
    -webkit-transition: all 0.3s linear;
    transition: all 0.3s linear;
}
#catalog .catalog-box .catalog-item:hover i {
    opacity: 1;
}
#catalog .catalog-box .catalog-item:hover::after {
    opacity: 0.5;
}
@media screen and (max-width: 576px) {
    #catalog .catalog-box {
        padding-bottom: 60px;
    }
}

.banner {
    position: relative;
}
.banner img {
    min-height: 30vh;
}
.banner .txt {
    color: #fff;
    position: absolute;
    bottom: 50px;
    width: 100%;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    z-index: 3;
}
.banner .txt span {
    font-weight: normal;
    font-size: 1rem;
    margin-left: 10px;
}
.banner::after {
    background: #000;
    opacity: 0.21;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    content: '';
}
#footer .footer-after {
    height: 120%;
}