Element block pseudo-class :active generated with position static cursor default line-height 1 z-index auto box-sizing content-box font-size 16px width 160px outline none display block border-radius margin 0px overflow hidden background box-shadow 1px 1px 1px rgba(0,0,0,0.3) border 38px rgba(0,0,0,1) solid float none opacity 1 font-weight normal transform transition height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 20px