DTD MinecraftGUI

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root[
        <!ELEMENT root ANY >
        <!ELEMENT panel ANY >
        <!ELEMENT button ANY >
        <!ELEMENT image ANY >
        <!ELEMENT input ANY >
        <!ELEMENT list ANY >
        <!ELEMENT paragraph ANY >

        <!ATTLIST panel id CDATA #IMPLIED>
        <!ATTLIST panel class CDATA #IMPLIED>
        <!ATTLIST button id CDATA #IMPLIED>
        <!ATTLIST button class CDATA #IMPLIED>
        <!ATTLIST image id CDATA #IMPLIED>
        <!ATTLIST image class CDATA #IMPLIED>
        <!ATTLIST input id CDATA #IMPLIED>
        <!ATTLIST input class CDATA #IMPLIED>
        <!ATTLIST list id CDATA #IMPLIED>
        <!ATTLIST list class CDATA #IMPLIED>
        <!ATTLIST paragraph id CDATA #IMPLIED>
        <!ATTLIST paragraph class CDATA #IMPLIED>

        <!ATTLIST button type CDATA #IMPLIED>
        <!ATTLIST button url CDATA #IMPLIED>
        <!ATTLIST input type CDATA #IMPLIED>
        <!ATTLIST input hint CDATA #IMPLIED>
]>