.pinlogin .pinlogin-field{box-sizing:border-box;display:inline-block;width:40px;height:40px;padding:5px;margin:0 5px;border:1px solid #ccc;-webkit-border-radius:2px;-moz-border-radius:2px;border-radius:2px;text-align:center;font-size:xxx-large}.pinlogin .pinlogin-field:first-of-type{margin-left:0}.pinlogin .pinlogin-field:last-of-type{margin-right:0}.pinlogin .pinlogin-field:read-only{border:1px solid #ddd;background:#fafafa;cursor:default}.pinlogin .pinlogin-field.invalid{border:1px solid red;color:red}