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