@media screen and (max-width:991px){.mainnav__item{-webkit-flex-basis:50% !important;-moz-flex-basis:50% !important;-o-flex-basis:50% !important;-ms-flex-basis:50% !important;flex-basis:50% !important;border-bottom:1px solid #eaeaea}.mainnav__item:nth-child(even){border-right:0}.mainnav__item:nth-last-child(2),.mainnav__item:last-child{border-bottom:0}}