Element block pseudo-class :active generated with display block transition width 120px z-index 2 padding 20px transform box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none overflow hidden line-height 1 font-weight normal border-radius margin 0px position static border 0px rgba(0,0,0,1) solid font-size 16px height auto background cursor default