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