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