.banner{
    background: url("https://www.shtsn.com/wp-content/uploads/2019/08/2019082910002932.jpg") no-repeat;
    width: 100%;
    height: auto;
    background-position: center center;
    background-size: cover;
    padding: 200px 0 100px;
    text-align: center;
    position: relative;
}
.banner .page-title{
    color: #fff;
    font-weight: bold;
    text-align: center;
    margin-top: 0;
    line-height: 1.2;
    z-index: 1;
}
.banner .page-sub-title{
    color: #fff;
    text-align: center;
    margin-top: 0;
    line-height: 1.2;
    z-index: 1;
}
.breadcrumbs{
    margin: 10px auto;
}
.breadcrumbs a,
.breadcrumbs span{
    text-decoration: none;
    color: #666;
    font-size: 14px;
}
.breadcrumbs a:hover{
    color: #b20000;
}
.parent {
    margin-top: 80px;
    margin-bottom: 80px;
    overflow: hidden;
    -moz-column-count: 4;
    -webkit-column-count: 4;
    column-count: 4;
    column-gap: 10px;
}
.child {
    margin-bottom: 10px;
    text-align: center;
    overflow: hidden;
    break-inside: avoid;
    box-sizing: border-box;
    background-color: #eeeeee;
}
.child .imgItem{
    width: 100%;
    margin: auto;
    display: block;
    transition: 0.6s;
    /*background-color: #000;*/
}
.child .imgItem:hover{
    transform: scale(1.2);
}
#imgModule {
    display: none;
    position: fixed;
    height: 100vh;
    width: 100vw;
    top: 0;
}

#imgDefault {
    cursor: pointer;
}
.mask {
    background: #000;
    opacity: .9;
    filter: alpha(opacity=80);
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.lightBoxContent {
    max-height: 100vh;
    max-width: 50%;
    position: fixed;
    left: 50%;
    top: 50%;
    background: #fff;
    transform: translate(-50%, -50%);
}

#imgLoader {
    width: 32px;
    height: 32px;
    position: fixed;
    left: 50%;
    top: 50%;
    margin: -16px 0 0 -16px;
    display: none;
}

#imgLight {
    max-height: 100vh;
    max-width: 100%;
    display: block;
    -webkit-animation: change 1s;
    animation: change 1s;
}

#imgModule .btn {
    width: 40px;
    height: 50px;
    position: fixed;
    top: 50%;
    margin-top: -25px;
    cursor: pointer;
    color: transparent;
}

.lightBoxSprite {
    background-image: url("https://www.shtsn.com/wp-content/uploads/2019/08/imgIcons.png");
    background-repeat: no-repeat;
}

#lightBoxPrev {
    left: 40px;
    background-position: 2px center;
}

#lightBoxNext {
    right: 40px;
    background-position: -42px center;
}

.closeBtn {
    width: 35px;
    height: 35px;
    background-position: -100px center;
    position: fixed;
    top: 65px;
    right: 25px;
    cursor: pointer;
    color: transparent;
}

.lightBoxPagination {
    position: fixed;
    left: 0;
    bottom: 50px;
    width: 100%;
    text-align: center;
}

.lightBoxPagination span {
    display: inline-block;
    width: 10px;
    height: 10px;
    border: 1px solid #fff;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    margin-right: 8px;
}

.lightBoxPagination span.current {
    background: #fff;
}
@keyframes change {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
@media (max-width: 750px){
    .banner{
        padding: 20px 0;
    }
    .parent {
        -moz-column-count: 3;
        -webkit-column-count: 3;
        column-count: 3;
        margin-top: 20px;
        margin-bottom: 30px;
    }
}