Element button pseudo-class :active generated with z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 55px font-weight normal position static border 0px rgba(0,0,0,1) solid display inline-block transition font-size 16px background width 160px opacity 1 box-sizing content-box height auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default float none line-height 1 padding 25px overflow hidden outline none transform border-radius