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