.itopplus-background{background-image:none;background-color :rgba(255,0,0,0)}.navbar-default .navbar-nav>li>a{font-size: 18px;line-height: 1.42857143;color: #333;background-color: #fff}.dropdown-menu{position: absolute;top: 100%;left: 0;z-index: 1000;display: none;float: left;min-width: 160px;padding: 5px 0;margin: 2px 0 0;font-size: 18px;text-align: left;list-style: none;background-color: #fff;-webkit-background-clip: padding-box;background-clip: padding-box;border: 1px solid #ccc;border: 1px solid rgba(0,0,0,.15);border-radius: 4px;-webkit-box-shadow: 0 6px 12px rgb(0 0 0 / 18%);box-shadow: 0 6px 12px rgb(0 0 0 / 18%)}