代码 三角

小三角
　.arrow-right
    align-items flex-end
    background-color $global-main-background
    &:after
        content '0a0'
        display inline-block
        border 2px solid #333
        border-top-width 0
        border-left-width 0
        width 12px
        height 12px
        transform rotate(45deg)