body {
    font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
    background: #f9f9f9;
}

.gg-box {
    display: grid;
    /*grid-template-columns: repeat(auto-fit,minmax(120px,1fr));*/
      grid-template-columns: repeat(auto-fit,minmax(240px,240px));
    grid-auto-rows: 240px;
    grid-gap: 16px;
}

.gg-element img {
    object-fit: cover;
    cursor: pointer;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.02);
    border-radius: 10px;
    border:2px solid #000000;
}

    .gg-element img:hover {
        opacity: .98;
    }

#gg-screen {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 1;
    top: 0;
    left: 0;
    display: none;
     background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    text-align: center;
}

    #gg-screen .gg-image {
        height: 100%;
        display: inline-flex;
        justify-content: center;
        align-items: center;
        margin-top: 10px;
        margin-bottom: 50px;
    }

        #gg-screen .gg-image img {
            max-width: 100%;
            max-height: 100%;
            margin: 0 auto;
            margin-bottom:15px;
        }

.gg-bt {
    width: 38px;
    height: 38px;
    background:#44ca0e /*rgba(255,255,255,0.6)*/;
    color: #000000;
    border-radius: 50%;
    text-align: center;
    line-height: 32px;
    vertical-align: middle;
    display: inline-block;
    cursor: pointer;
    -moz-transition: all .4s ease;
    -o-transition: all .4s ease;
    -webkit-transition: all .4s ease;
    transition: all .4s ease;
    font-size: 25px;
    border: 1px solid rgba(0,0,0,0.05);
    box-sizing: border-box;
    padding-left: 2px;
}

    .gg-bt:hover {
        background: #ffffff;/*rgba(255,255,255,0.8);*/
        border: 1px solid rgba(0,0,0,0.5);
    }

.gg-close {
    position: fixed;
    top: .5em;
}
.gg-bt.gg-close {
    position: fixed;
    top: .5em;
    background: #ff0000;
}
.gg-close.gg-bt:hover{
     background:#d0d113;
    border: 1px solid rgba(0,0,0,0.5);
}
.gg-close, .gg-nxt {
    right: .5em;

}

.gg-prev {
    left: .5em;
}

.gg-prev, .gg-nxt {
    position: fixed;
    bottom: 50%;
}

/*@media(min-width:478px)*/ /*{.gg-element:nth-child(3n+0){grid-row-end:span 2}}*/ @media(max-width:768px) {
    .gg-box {
        grid-template-columns: repeat(auto-fit,minmax(150px,1fr));
        grid-auto-rows: 150px;
        grid-gap: 6px;
    }
}

@media(max-width:450px) {
    .gg-box {
        grid-template-columns: repeat(auto-fit,minmax(100px,1fr));
        grid-auto-rows: 100px;
        grid-gap: 4px;
    }
}