diff --git a/static/styles/portico/portico.scss b/static/styles/portico/portico.scss
index 03be8844f9..34ab7bc075 100644
--- a/static/styles/portico/portico.scss
+++ b/static/styles/portico/portico.scss
@@ -446,7 +446,7 @@ img.screenshot {
 .laptop-image {
     width: 787px;
     height: 414px;
-    background-image: url("/static/images/landing-page/laptop.png");
+    background-image: url(/static/images/landing-page/laptop.png);
     background-size: contain;
 }
 
@@ -691,7 +691,7 @@ input.text-error {
 
 .main-headline {
     background-color: hsl(218, 84%, 85%);
-    background: url("/static/images/landing-page/gg.jpg");
+    background: url(/static/images/landing-page/gg.jpg);
     background-position: center;
     background-size: cover;
 }
diff --git a/static/styles/settings.scss b/static/styles/settings.scss
index 06e95e146b..76b98555b5 100644
--- a/static/styles/settings.scss
+++ b/static/styles/settings.scss
@@ -1662,7 +1662,7 @@ body:not(.night-mode) #settings_page .custom_user_field .datepicker {
 @supports (-moz-appearance: none) {
     #settings_page select {
         -moz-appearance: none;
-        background: hsl(0, 0%, 100%) url("../images/dropdown.png") right / 20px
+        background: hsl(0, 0%, 100%) url(../images/dropdown.png) right / 20px
             no-repeat;
         padding-right: 20px;
     }
diff --git a/stylelint.config.js b/stylelint.config.js
index 6d85f1417c..87ad25659a 100644
--- a/stylelint.config.js
+++ b/stylelint.config.js
@@ -21,6 +21,7 @@ module.exports = {
 
         // Additional stylistic rules
         "font-family-name-quotes": "always-where-recommended",
+        "function-url-quotes": "never",
 
         // Limit language features
         "color-no-hex": true,