mshtml: Implement get/put margin.

dlls/mshtml/htmlstyle.c

@@ -63,6 +63,8 @@ static const WCHAR attrFontStyle[] =
     {'f','o','n','t','-','s','t','y','l','e',0};
 static const WCHAR attrFontWeight[] =
     {'f','o','n','t','-','w','e','i','g','h','t',0};
+static const WCHAR attrMargin[] =
+    {'m','a','r','g','i','n',0};
 static const WCHAR attrMarginLeft[] =
     {'m','a','r','g','i','n','-','l','e','f','t',0};
 static const WCHAR attrMarginRight[] =
@@ -848,15 +850,19 @@ static HRESULT WINAPI HTMLStyle_put_marginLeft(IHTMLStyle *iface, VARIANT v)
 static HRESULT WINAPI HTMLStyle_put_margin(IHTMLStyle *iface, BSTR v)
 {
     HTMLStyle *This = HTMLSTYLE_THIS(iface);
-    FIXME("(%p)->(%s)\n", This, debugstr_w(v));
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%s)\n", This, debugstr_w(v));
+
+    return set_style_attr(This, attrMargin, v, 0);
 }
 
 static HRESULT WINAPI HTMLStyle_get_margin(IHTMLStyle *iface, BSTR *p)
 {
     HTMLStyle *This = HTMLSTYLE_THIS(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%p)\n", This, p);
+
+    return get_style_attr(This, attrMargin, p);
 }
 
 static HRESULT WINAPI HTMLStyle_get_marginLeft(IHTMLStyle *iface, VARIANT *p)