.nb-close-button{padding:20px;position:absolute;top:15px;right:15px;display:inline-block;overflow:hidden;cursor:pointer}.nb-close-button::after,.nb-close-button::before{border-radius:3px;height:12px;box-shadow:0 0 3px rgba(0,0,0,.333);margin-top:-6px}.nb-close-button::before{-webkit-transform:rotate(-45deg);-moz-transform:rotate(-45deg);-ms-transform:rotate(-45deg);-o-transform:rotate(-45deg);transform:rotate(-45deg)}.nb-close-button::after{-webkit-transform:rotate(45deg);-moz-transform:rotate(45deg);-ms-transform:rotate(45deg);-o-transform:rotate(45deg);transform:rotate(45deg)}.nb-close-button::after,.nb-close-button::before{content:"";position:absolute;height:7px;width:100%;top:50%;left:0;margin-top:-1px;background:#fff}.nb-close-button{z-index:99999999999}#nb-loader,#nb-widget{z-index:99999999998}