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