#imgShow {
    position: fixed;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    display: none;
}

#imgShowSrc {
    position: fixed;
    margin-left: 10%;
    width: 80%;
    height: 100%;
    line-height: 100%;
    text-align: center;
    display: inline-grid;
    justify-content: center;
    align-content: center;
    overflow-y: auto;
}

#imgShowClose {
    width: 50px;
    height: 50px;
    border-radius: 50px;
    line-height: 50px;
    transform: rotate(45deg);
    font-size: 50px;
    text-align: center;
    color: #FFFFFF;
    background-color: red;
    float: right;
    margin: 100px;
}

#imgShowSrcImg{
    max-width: 90%;
    max-height: 90%;
    margin-top: 50px;
}