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