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