.et_pb_menu .et_pb_menu__menu>nav>ul>li>ul{top:calc(100% - -1px);left:0}.et-menu li li a{padding:6px 0px;line-height:14px}.sub-menu li a{font-size:15px!important;font-weight:400!important;line-height:1.4em!important}.ez-toc-title{visibility:hidden;position:relative}.ez-toc-title:before{content:"Mục Lục";visibility:visible;position:absolute;left:0}#chatbox-launcher{bottom:110px!important}