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