Round tooltips

customize.dist/src/less2/include/tippy.less

@@ -1,4 +1,5 @@
 @import (reference) './colortheme-all.less';
+@import (reference) './variables.less';
 
 .tippy_main() {
     --LessLoader_require: LessLoader_currentFile();
@@ -6,7 +7,7 @@
 & {
     .tippy-tooltip.cryptpad-theme {
         background-color: @cp_tooltip-bg;
-        border-radius: 0px;
+        border-radius: @variables_radius;
         color: @cp_tooltip-fg;
         overflow-wrap: break-word;
         [x-circle] {