body {
    background: url(../images/lanmu_bg.jpg) no-repeat center bottom;
}

.connect {
    width: 100%;
    max-width: 1200px;
    margin: 50px auto;
    padding: 15px;
    box-sizing: border-box;
}

.connect_con h3,
.connect_con p {
    font-size: 16px;
    color: #575757;
    line-height: 1.5;
}