diff --git a/docs/configuration.md b/docs/configuration.md
index edcf1ed..22f50fc 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -110,7 +110,8 @@ services:
         subtitle: "Another example"
         tag: "other"
         url: "https://www.reddit.com/r/selfhosted/"
-        target: "_blank" # optionnal html a tag target attribute
+        target: "_blank" # optional html a tag target attribute
+        # class: "green" # optional custom CSS class for card, useful with custom stylesheet
 ```
 
 If you choose to fetch message information from an endpoint, the output format should be:
diff --git a/public/assets/custom.css.sample b/public/assets/custom.css.sample
new file mode 100644
index 0000000..2465757
--- /dev/null
+++ b/public/assets/custom.css.sample
@@ -0,0 +1,9 @@
+@charset "UTF-8";
+
+/* Custom card colors */
+/* Use with `class:` property of services in config.yml */
+body #app .card .green
+{
+  background-color: #006600;
+  color: #00ff00;
+}
diff --git a/src/components/Service.vue b/src/components/Service.vue
index 88e6e69..4e35b7d 100644
--- a/src/components/Service.vue
+++ b/src/components/Service.vue
@@ -2,7 +2,10 @@
   <div>
     <div class="card">
       <a :href="item.url" :target="item.target" rel="noreferrer">
-        <div class="card-content">
+        <div
+          class="card-content"
+          :class="item.class"
+        >
           <div class="media">
             <div v-if="item.logo" class="media-left">
               <figure class="image is-48x48">
@@ -15,8 +18,14 @@
               </figure>
             </div>
             <div class="media-content">
-              <p class="title is-4">{{ item.name }}</p>
-              <p class="subtitle is-6">{{ item.subtitle }}</p>
+              <p
+                class="title is-4"
+                :class="item.class"
+              >{{ item.name }}</p>
+              <p
+                class="subtitle is-6"
+                :class="item.class"
+              >{{ item.subtitle }}</p>
             </div>
           </div>
           <div class="tag" :class="item.tagstyle" v-if="item.tag">