Fix #3915: Removed default border from canvas style

protected/humhub/docs/CHANGELOG.md

@@ -7,6 +7,7 @@ HumHub Change Log
 - Fix #3905: `accountTopMenu` renders redundant `<li>` tag
 - Fix #3911: Error thrown in UrlRule for non existing user names
 - Fix #3914: Directory link in space chooser still visible when directory module not active
+- Fix #3915: Removed default border from canvas style
 
 1.4.3 (March 4, 2020)
 ---------------------

static/less/media.less

@@ -119,7 +119,6 @@
 audio,canvas,progress,video {
     display: inline-block;
     vertical-align: baseline;
-    border: solid 1px #000;
     max-width: 100%;
     height: auto
 }