.gallery{
    margin:1.5rem auto 0 auto;
    width: 100%;
}
.gallery img{
    width: 100%;
    border-radius: 1.5rem;
    margin-bottom: 2.5rem;
    cursor: pointer;
}
.popup{
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .7);
    z-index: 100;
    display: none;
}
.popup img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    border-radius: 1.5rem;
}
.popup span{
    position: absolute;
    top: 5px;
    right: 15px;
    font-size: 1.5rem;
    color: #fff;
    cursor: pointer;
}