Element block pseudo-class :active generated with float none z-index auto margin 0px font-size 16px transition overflow hidden width 160px line-height 1 display block height auto box-sizing content-box position static font-weight normal box-shadow 4px 1px 1px rgba(0,0,0,0.3) border 0px rgba(0,0,0,1) solid cursor default background border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 20px transform