Element block pseudo-class :active generated with opacity 0.3 background overflow hidden box-sizing content-box width 3.7em font-size 1em line-height 1.4 status font-weight normal height 100% transform padding 2.1em display block text-shadow position absolute box-shadow cursor default float none border-radius margin 0px outline none z-index 5 border 0px rgba(0,0,0,0) solid transition