Element block pseudo-class :active generated with z-index auto transition box-sizing border-box line-height 1 position relative cursor default height auto transform background width 100px float left font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.77) border 0px rgba(0,0,0,1) solid display block border-radius padding 15px margin 0px overflow hidden opacity 1.00