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