Only use width and opacity for transition

Signed-off-by: Julius Härtl <jus@bitgrid.net>

diff --git a/core/css/header.scss b/core/css/header.scss
index cc4232ccd2bb3ecec57b3d2199b68a3671b597c9..b5e73633b8c6d61b55ca01ede5960536b7d6df82 100644 (file)
--- a/core/css/header.scss
+++ b/core/css/header.scss
@@ -609,8 +609,7 @@ nav[role='navigation'] {
                height: 34px;
                width: 0;
                cursor: pointer;
-               -webkit-transition: all 100ms;
-               transition: all 100ms;
+               transition: width 100ms, opacity 100ms;
                opacity: .6;
                &:focus, &:active, &:valid {
                        background-position-x: 6px;