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