Element block pseudo-class :active generated with border-radius transform float none line-height 1 position static box-shadow 1px 1px 1px rgba(0,0,0,0.3) box-sizing content-box height 22% border 0px rgba(0,0,0,1) solid overflow hidden width 160px cursor default margin 0px font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto display block background padding 20px transition font-size 16px