html,body{
    width: 100%;
    height: 100%;
    background: url("../images/download/bg.png") no-repeat center;
    background-size: cover;
}
::-webkit-input-placeholder { /* WebKit browsers */
    color:#FFFFFF;
}
:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
    color:#FFFFFF;
}
::-moz-placeholder { /* Mozilla Firefox 19+ */
    color:#FFFFFF;
}
:-ms-input-placeholder { /* Internet Explorer 10+ */
    color: #FFFFFF;
}
body .header{
    background: rgba(255,255,255,.1);
}
body .header .search-box{
    background: rgba(242, 243, 245, .2);
}
body .header .nav-item:hover a{
   color: #FFFFFF;
}
.content{
    width: 100%;
    overflow: hidden;
    bottom: 0;
}
.content .common-wrapper{
    padding: 0 75px 0 38px;
}
.content .mobile-img{
    width: 480px;
}
.content .content-title{
    width: 546px;
}
.content .content-code{
    width: 160px;
    height: 160px;
    border-radius: 8px;
    margin-right: 24px;
}
.content .download-btn{
    width: 172px;
    height: 48px;
    border-radius: 24px;
    border: 2px solid #FFFFFF;
}
.content .download-icon{
    width: 20px;
    height: 20px;
    margin-right: 8px;
}