diff -r db4de4f37b65 -r 67bf19c50fcc www/jqwidgets/styles/jqx.summer.css
--- a/www/jqwidgets/styles/jqx.summer.css	Sun Apr 11 10:53:20 2021 +0200
+++ b/www/jqwidgets/styles/jqx.summer.css	Mon Apr 12 16:03:38 2021 +0200
@@ -11,7 +11,7 @@
 .jqx-menu-item-arrow-down-selected-summer, .jqx-icon-arrow-down-hover-summer, .jqx-icon-arrow-down-selected-summer{background-image:url('images/icon-down-white.png');background-repeat:no-repeat;background-position:center;}
 .jqx-menu-item-arrow-left-selected-summer, .jqx-icon-arrow-left-hover-summer, .jqx-icon-arrow-left-selected-summer{background-image:url('images/icon-left-white.png');background-repeat:no-repeat;background-position:center;}
 .jqx-menu-item-arrow-right-selected-summer, .jqx-icon-arrow-right-hover-summer, .jqx-icon-arrow-right-selected-summer{background-image:url('images/icon-right-white.png');background-repeat:no-repeat;background-position:center;}
-.jqx-tabs-close-button-hover-summer, .jqx-tabs-close-button-selected-summer{background-image:url(images/close_white.png);  background-repeat:no-repeat;  background-position:center;}
+.jqx-tabs-close-button-hover-summer, .jqx-tabs-close-button-selected-summer{background-image:url(./images/close_white.png);  background-repeat:no-repeat;  background-position:center;}
 .jqx-scrollbar-summer .jqx-icon-arrow-up-selected-summer, .jqx-scrollbar-summer .jqx-icon-arrow-up-hover-summer{background-image:url('images/icon-up.png'); background-repeat:no-repeat; background-position:center;}
 .jqx-scrollbar-summer .jqx-icon-arrow-down-selected-summer, .jqx-scrollbar-summer .jqx-icon-arrow-down-hover-summer{background-image:url('images/icon-down.png'); background-repeat:no-repeat; background-position:center;}
 .jqx-scrollbar-summer .jqx-icon-arrow-left-selected-summer, .jqx-scrollbar-summer .jqx-icon-arrow-left-hover-summer{background-image:url('images/icon-left.png'); background-repeat:no-repeat; background-position:center;}