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