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