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