diff --git a/css/styles.css b/css/styles.css
index fc345ed..fd7f78f 100644
--- a/css/styles.css
+++ b/css/styles.css
@@ -22,6 +22,16 @@ pre {
 
     width: 60vw;
 }
+#btnSubmit{
+    background: #455cf8;
+    color: white;
+    /* border-style: outset; */
+    border-color: #0066A2;
+    height: 50px;
+    width: 100px;
+    font: bold 15px arial, sans-serif;
+    text-shadow: none;
+}
 
 #result{
     margin: auto;
diff --git a/index.html b/index.html
index 1cb81bc..4287b2c 100644
--- a/index.html
+++ b/index.html
@@ -35,7 +35,7 @@
             <label for="subnetMaskCIDR">Masque de sous-réseau (en CIDR):</label>
             <input type="text" id="subnetMaskCIDR" name="subnetMaskCIDR" placeholder="/x"><br><br>
 
-            <input type="submit" value="Calculer">
+            <input id="btnSubmit" type="submit" value="Calculer">
         </form>
 
         <div id="result">
diff --git a/js/script.js b/js/script.js
index 754fd05..b9a66d1 100644
--- a/js/script.js
+++ b/js/script.js
@@ -150,7 +150,7 @@ document.getElementById("subnetForm").addEventListener("submit", function(event)
 
     document.getElementById("result").innerHTML = `
         <b>Adresse IP décimal :</b> ${ipAddress}<br>
-        <b>Adresse IP binaire : ${ipAddressBinary}<br>
+        <b>Adresse IP binaire :</b> ${ipAddressBinary}<br>
         <br>
         <b>Masque de sous-réseau décimal :</b> ${subnetDecimal}<br>
         <b>Masque de sous-réseau binaire :</b> ${subnetMaskBinary}<br>