body {
    background-image: url(404.jpg);
    background-size: cover;
}
html,
body {
    margin: 0;
    height: 100%;
}
#doc {
    background: none;
    height: 100%;
}

#navbar-static {
    background: transparent;
    background: rgba(0, 0, 0, 0);
    border-bottom: 0px;
}
.menu-horizontal li a {
    margin: 10px;
    height: 30px;
    line-height: 30px;
    padding: 0 4px;
}

#tansparent-menu.menu-horizontal li a {
    color: rgb(255, 255, 255);
}

#tansparent-menu.menu-horizontal li a:hover,
#tansparent-menu.menu-horizontal .active a {
    color: rgb(255, 255, 255);
    background: rgba(0, 0, 0, 0.3);
}

#index-dropdown-static {
    color: #FFFFFF;
}

#index-dropdown-static:hover {
    color: #FFFFFF;
}

#qrcloudLogoContainerNav {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: 1030;
    border: 0px;
}
#qrcloudLogoContainer {
    position: relative;
    top: 0px;
}

#qrcloudLogo {
    position: absolute;
    left: 0px;
    top: 0px;
    margin-left: 60px;
    margin-top: 6px;
}

#qrcloudLogo img {
    width: 80%;
}

#qrcloudLogo #qrcloudLogoIcon {
    width: 34px;
    position: absolute;
    left: -39px;
    top: 3px;
}