.main {
    width: 1100px;
    margin: 100px auto 0 auto;
}

.url-item {
    background-color: #ecf8ff;
    border-left: 5px solid #50bfff;
    height: 50px;
    line-height: 50px;
    padding-left: 10px;
}

.eg {
    display: flex;
    margin-top: 20px;
}

.eg-url {
    background-color: #ecf8ff;
    border-left: 5px solid #50bfff;
    width: 65%;
    height: 100px;
    line-height: 100px;
    padding-left: 10px;
}

.eg-img {
    width: 30%;
    height: 100px;
}

.eg-img img {
    width: 100px;
    height: 100px;
}