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