body
{
    background-size: 100% auto; background-position:center bottom; background-repeat: no-repeat; background-color: #f8fcff; min-height: 100vh;
}
.banner
{
    width: 100%;
}
.banner img
{
    width: 100%;
    height: auto;
}
.menubox
{
    padding-top: 25px;
    padding-bottom: 36px;
}
.menubox .row
{
    padding:0 15px;
}
.menu-div,.menu-div3
{
    display: block;
    width: 50%;
    padding: 4px;
    float: left;
}
.menu-div3
{
    width: 33.33%;
}
.menu-div img,.menu-div3 img
{
    width: 100%;
    height: auto;
}
.common-nav
{
    height: 45px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    -webkit-box-shadow: 0 3px 4px rgba(0, 0, 0, 0.1);
    -moz-box-shadow: 0 3px 4px rgba(0, 0, 0, 0.1);
    box-shadow: 0 3px 4px rgba(0, 0, 0, 0.1);
    padding: 0px;
}
.common-nav-bar
{
    width: 100%; height: 100%; position: relative; text-align: center;
    line-height: 45px;
    font-weight: bold;
}
.common-nav-bar .nav-back
{
    position: absolute;
    font-weight: bold;
    color: black;
    font-size: 18px;
    display: block;
    width: 45px;
    height: 45px;
    top: 0;
    left:0;
    line-height: 45px;
}