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