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