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