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