body {
    font-family: 'Source Han Sans CN', sans-serif;
}
.hero {
    background: url('../images/bg.svg') no-repeat;
    background-size: 100%;
    background-position: 0 0;
    width: 100%;
    padding-top: 50%;
}
.banner-contact {
    background: url('../images/banner-contact.svg') no-repeat;
    background-size: 100% 100%;
    background-position: 0 0;
    width: 100%;
    margin-top: 150px;
}
* {box-sizing: border-box;}