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