Element block pseudo-class :active generated with display block border 0px rgba(0,0,0,1) solid height auto cursor default width 50px border-radius position static transform padding 10px transition float left background box-sizing content-box font-weight normal font-size 14px margin 0px line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden z-index auto