.operation .section1 .section1-content,
.operation .section2 .section2-content {
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.operation .section1 .section1-content ul li {
    padding: 5px;
}

.operation .section1 .section1-content img,
.operation .section2 .section2-content img {
    height: 100%;
}


.operation .section2 .section2-content ul li {
    font-size: 14px;
    padding: 5px;
    margin-left: 30px;
}