最好的导航分割栏，分割线，实现底部透明，纯css

<div class="Ui_Ct_Line padding_5">
            <div>为您推荐</div>
</div>

.Ui_Ct_Line {
    -ms-flex-align: center !important;
    align-items: center !important;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}
.Ui_Ct_Line > * {
    -ms-flex:   auto;
    flex:   auto;
    width: auto;
    max-width: none;
    display: block;
    min-height: 1px;
    padding:  20px;
}
.Ui_Ct_Line::before,.Ui_Ct_Line::after {
    content: ' ';
    -ms-flex-preferred-size: ;
    flex-basis: ;
    -ms-flex-positive: ;
    flex-grow: ;
    display: block;
    position: relative;
    width: %;
    min-height: 1px;
    background-color: #CBCBCB;
}