Element block pseudo-class :active generated with width 160px transition opacity 0.31 box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow hidden text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius z-index auto font-size 16px position static box-sizing content-box float none background transform margin 0px cursor default line-height 1 padding 20px height auto font-weight normal border 0px rgba(0,0,0,1) solid display block