ManaPlus-TMW-clone/data/themes/jewelry/itemcontainer.xml

<?xml version="1.0" encoding="utf-8"?>
<skinset name="Default" image="window.png">
    <widget type="Window">
        <option name="boxWidth" value="38" />
        <option name="boxHeight" value="56" />
        <option name="equippedTextPadding" value="38" />
        <option name="paddingItemX" value="3" />
        <option name="paddingItemY" value="1" />
    </widget>
</skinset>