.imgserver {
    width: 70%;
    max-width: 1200px;
    padding: 5px 5px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    /* 渐变背景 */
    background: #F3F4F1;
    margin-top: 20px;
    box-shadow: 1px 1px 5px 2px #0003;
}

.imgserver>a {
    width: 30%;
    transition: 0.3s;
}

.imgserver>a>img {
    transition: 0.3s;
    width: 100%;
    border-radius: 5px;
}

.imgserver>a>img:hover {
    box-shadow: 0px 0px 10px #0003;
    transform: scale(1.2);
}

@media screen and (max-width: 720px) {
    .imgserver {
        width: 98%;
    }
}