Element block pseudo-class :active generated with z-index auto width 100% transform box-sizing border-box border 0px rgba(0,0,0,1) solid cursor default overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) padding 0px height auto border-radius line-height 1 display block font-weight bold float none position relative background margin auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-size 16px transition