Element block pseudo-element :after generated with height auto margin 0px border-radius font-size 16px transition display block box-sizing content-box line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) background position static text-shadow 1px 1px 1px rgba(0,0,0,0.2) border 0px rgba(0,0,0,1) solid overflow hidden float none padding 20px transform font-weight normal z-index auto width 160px cursor default