Fix column-back-button style for some browsers (#4484)

Use `text-align: unset` instead of `text-align: start` which Edge doesn't support for now.

Also remove default margin on Safari.

diff --git a/app/javascript/styles/components.scss b/app/javascript/styles/components.scss
index 34e4b2e72d0235f94172d57c122c96f3681f2fe3..9174f51124b4931267eccb6c14341a2a8944f7f8 100644 (file)
--- a/app/javascript/styles/components.scss
+++ b/app/javascript/styles/components.scss
@@ -1590,8 +1590,9 @@
   flex: 0 0 auto;
   font-size: 16px;
   border: 0;
-  text-align: start;
+  text-align: unset;
   padding: 15px;
+  margin: 0;
   z-index: 3;
 
   &:hover {