.g-signin-button{display:inline-block;padding:4px 8px;border-radius:12px;background-color:#3c82f7;color:#fff;-webkit-box-shadow:0 3px 0 #0f69ff;box-shadow:0 3px 0 #0f69ff}.center{display:block;margin-top:40px;margin-bottom:20px;margin-left:auto;margin-right:auto;width:50%}