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