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The gradient is made by the picture
wp-content/themes/weaver-ii-pro/images/theme/fade.png
So you could create a Child theme and flip the image in it
Or you can try the CSS below I found on the web and that seems to work (I tested IE)
Add the rules below to Advanced option > Head Section > Custom CSS Rule box.
To flip the main menu bar gradient
.menu_bar, .weaveriip_vertical_menu .menu_bar li {
-moz-transform: scaleY(-1);
-webkit-transform: scaleY(-1);
-o-transform: scaleY(-1);
transform: scaleY(-1);
-ms-filter: flipv; /*IE*/
filter: flipv; /*IE*/
}
If you have sub menus also add
.menu_bar ul ul a, .menu_bar li:hover > a, .menu_bar ul ul :hover > a {
-moz-transform: scaleY(-1);
-webkit-transform: scaleY(-1);
-o-transform: scaleY(-1);
transform: scaleY(-1);
-ms-filter: flipv; /*IE*/
filter: flipv; /*IE*/
}
Make sure to test all browsers and let us know
I tested the code I gave you before to try and avoid a child theme, but unfortunately it only works on IE. On chrome and Firefox it also flips the Menu text.
There is a way to flip only the background on Chrome and Firefox, but it is not responsive, which means that as the Browser window shrinks, and the menu ends up on two lines, the background would only be on the first line.
So child theme seems to be the best for that
EDIT: This was bugging me and digging further, I found a 90% solution with just CSS
.menu_bar {
-moz-transform: scaleY(-1);
-webkit-transform: scaleY(-1);
-o-transform: scaleY(-1);
transform: scaleY(-1);
-ms-filter: flipv; /*IE*/
filter: flipv; /*IE*/
}
.menu_bar a {
-moz-transform: scaleY(-1);
-webkit-transform: scaleY(-1);
-o-transform: scaleY(-1);
}
the first set of CSS flips the background only on IE but everything on Chrome and Firefox (not tested O)
The second set flips the Menus back on Chrome and Firefox so they look normal on the flipped background.
Only hiccup, on Chrome if you have social buttons on the menu bar, their icon are screwed up (no clue why)
That being said, I think the Child theme may be more complicated, but is is a cleaner solution
I will leave this alone now :)
Now I feel really Dumb :)
@brucecassidy, Of course this is the easiest way (why do complicated when you can do simple...).
Download the initial fade image(http://nadananda.com/wp-content/themes/weaver-ii-pro/images/theme/fade.png). Create a fliped version and upload it in your media, then just override the CSS rule that puts it as the background image of the menu bar and of the Sub menu (see these rules below).
.menu_bar, .weaveriip_vertical_menu .menu_bar li {background-image:url("pathandnameofthenewimage");}
.menu_bar ul ul a, .menu_bar li:hover > a, .menu_bar ul ul :hover > a {background-image:url("pathandnameofthenewimage");}
Thanks @joy for bringing me back to reality
Then it is simply:
.menu_bar, .weaveriip_vertical_menu .menu_bar li {background-image:url("/wp-content/themes/weaver-ii-pro/images/theme/fadeup.png");}
.menu_bar ul ul a, .menu_bar li:hover > a, .menu_bar ul ul :hover > a {background-image:url("/wp-content/themes/weaver-ii-pro/images/theme/fadeup.png");}