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