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