Element block pseudo-class :active generated with background width 160px float none position static padding 20px transition overflow hidden cursor default height auto border-radius opacity 1 outline none text-shadow 1px 1px 1px rgba(0,0,0,0.2) line-height 1 z-index auto display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-weight normal margin 0px box-sizing content-box font-size 16px border 3px rgba(0,0,0,1) solid transform