diff --git a/browser/components/search/content/addEngine.css b/browser/components/search/content/addEngine.css
index b594e9661aa9..b58effc0cfe8 100644
--- a/browser/components/search/content/addEngine.css
+++ b/browser/components/search/content/addEngine.css
@@ -12,7 +12,7 @@ hbox {
 
 #titleContainer {
   padding-bottom: var(--space-xlarge);
-  --icon-url: url("chrome://browser/skin/preferences/category-search.svg")
+  --icon-url: url("chrome://browser/skin/preferences/category-search.svg");
 }
 
 .dialogRow {
@@ -34,8 +34,6 @@ input[type="url"] {
   flex-direction: column;
 }
 
-
-
 .error-label {
   display: flex;
   font-size: var(--font-size-small);
diff --git a/browser/components/search/content/contentSearchUI.css b/browser/components/search/content/contentSearchUI.css
index 85b718a3eb7f..2d9bfa1915e7 100644
--- a/browser/components/search/content/contentSearchUI.css
+++ b/browser/components/search/content/contentSearchUI.css
@@ -3,11 +3,11 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 .contentSearchSuggestionTable {
-  background-color: hsla(0,0%,100%,.99);
+  background-color: hsla(0, 0%, 100%, 0.99);
   color: black;
-  border: 1px solid hsla(0, 0%, 0%, .2);
+  border: 1px solid hsla(0, 0%, 0%, 0.2);
   border-top: none;
-  box-shadow: 0 5px 10px hsla(0, 0%, 0%, .1);
+  box-shadow: 0 5px 10px hsla(0, 0%, 0%, 0.1);
   position: absolute;
   inset-inline-start: 0;
   z-index: 1001;
@@ -108,7 +108,7 @@
   padding: 0;
   border: none;
   background: none;
-  background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gofECQNNVW2/AAAABBJREFUGFdjOHPmzH8GehEA/KpKg9YTf4AAAAAASUVORK5CYII=');
+  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gofECQNNVW2/AAAABBJREFUGFdjOHPmzH8GehEA/KpKg9YTf4AAAAAASUVORK5CYII=");
   background-repeat: no-repeat;
   background-position: right center;
 }
@@ -146,7 +146,7 @@
   padding: 0;
   height: 32px;
   border: none;
-  border-top: 1px solid hsla(0, 0%, 0%, .08);
+  border-top: 1px solid hsla(0, 0%, 0%, 0.08);
   text-align: center;
   width: 100%;
 }
diff --git a/browser/components/search/test/browser/telemetry/serp.css b/browser/components/search/test/browser/telemetry/serp.css
index 5b3865da44ca..7b49ed27d796 100644
--- a/browser/components/search/test/browser/telemetry/serp.css
+++ b/browser/components/search/test/browser/telemetry/serp.css
@@ -33,7 +33,7 @@ nav {
   margin-bottom: 20px;
 }
 
-nav>div,
+nav > div,
 #searchform,
 .moz-carousel,
 .factrow {
@@ -41,12 +41,12 @@ nav>div,
   align-items: center;
 }
 
-nav>div,
+nav > div,
 #searchform {
   gap: 40px;
 }
 
-nav>div,
+nav > div,
 #searchform,
 #searchresults,
 #top {
@@ -68,7 +68,7 @@ nav>div,
   overflow-y: hidden;
 }
 
-.card-container>.card {
+.card-container > .card {
   height: 160px;
   border-radius: 3px;
   border: 1px solid var(--subtle);
@@ -77,11 +77,11 @@ nav>div,
   padding: 10px;
 }
 
-.card-container>.card:not(:last-child) {
+.card-container > .card:not(:last-child) {
   margin-right: 10px;
 }
 
-.card-container>.card>a {
+.card-container > .card > a {
   display: block;
   margin-bottom: 2px;
 }
@@ -111,13 +111,13 @@ nav>div,
   width: calc(var(--carousel-card-width) * 4 + (3 * 10px));
 }
 
-.moz-carousel>.moz-inner {
+.moz-carousel > .moz-inner {
   border: 1px solid var(--subtle);
   border-radius: 10px;
   padding: 10px;
 }
 
-.moz-carousel>.moz-carousel-card {
+.moz-carousel > .moz-carousel-card {
   flex: 1 0 var(--carousel-card-width);
   border: 1px solid var(--subtle);
   font-size: 14px;