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