Remove text-shadow, use stricter box-shadow syntax.

services/web/public/stylesheets/app/editor/feature-onboarding.less

@@ -27,13 +27,12 @@
 		pointer-events: none;
 
 		.code-check-setting {
-			box-shadow: 0 0 300px #000;
+			box-shadow: 0 0 300px 0 #000;
 		}
 	}
 }
 	.feat-onboard-wrapper {
 		width: @feat-onboard-wrapper-width;
-		text-shadow: 0 0 70px rgba(255, 255, 255, 0.5);
 	}
 		.feat-onboard-title {
 			color: @brand-primary;
@@ -55,7 +54,7 @@
 			}
 
 	.feat-onboard-video {
-		box-shadow: 0 0 70px rgba(255, 255, 255, 0.3);
+		box-shadow: 0 0 70px 0 rgba(255, 255, 255, 0.3);
 	}
 
 	.feat-onboard-adv-wrapper {
@@ -74,6 +73,6 @@
 		margin-bottom: 10px;
 
 		> .btn {
-			box-shadow: 0 0 70px rgba(255, 255, 255, 0.3);
+			box-shadow: 0 0 70px 0 rgba(255, 255, 255, 0.3);
 		}
 	}