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