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