I don't get what you want to do, i guess you want to open link when a button is clicked. You can do this instead of making it button, in fact you must do this (unless you use PHP to open .php pages).
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padding: 2px; /So border doesn't sting up with text/
border: 1px solid black; /Drawing 1 Pixel, Solid Black colored border /
border-radius:2px; /Making border's round so it doesn't looks like rectangle (in short making it rounded rectangle) /
/ Some decorations /
/Some more decorations when hovered /