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