Element button pseudo-element :after generated with height 0% box-sizing content-box cursor default position static padding 10px z-index auto transition font-size 10px float none border-radius margin -1px box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow visible transform line-height 0 border 0px rgba(0,0,0,1) solid display inline-block background font-weight normal width 45px text-shadow 1px 1px 1px rgba(0,0,0,0.2)