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