docs: fix Toast sample for IE (#1799)

FIXES: #1794

Author: ilhan007

packages/main/src/themes/Link.css

@@ -10,6 +10,7 @@
 	font-family: var(--sapFontFamily);
 	font-size: var(--sapFontSize);
 	cursor: pointer;
+	outline: none;
 }
 
 :host([disabled]) {
@@ -65,16 +66,7 @@
 }
 
 .ui5-link-root:focus {
+	outline-offset: -1px;
+	outline: 1px dotted var(--sapContent_FocusColor);
 	text-decoration: underline;
 }
-
-.ui5-link-root:focus::after {
-	content: "";
-	width: var(--_ui5_link_outline_element_size);
-	height: var(--_ui5_link_outline_element_size);
-	position: absolute;
-	left: 0px;
-	border: 1px dotted var(--sapContent_FocusColor);
-	top: 0;
-	outline: none;
-}