diff --git a/public/css/register-error.css b/public/css/register-error.css
new file mode 100644
index 0000000..bd3d028
--- /dev/null
+++ b/public/css/register-error.css
@@ -0,0 +1,124 @@
+body {
+    font-family: 'Poppins', sans-serif;
+    background-color: #1b1c1e;
+}
+
+.nav-color {
+    background-color: #212226;
+}
+
+.nav-radius {
+    border-bottom-left-radius: 20px;
+    border-bottom-right-radius: 20px;
+}
+
+.card {
+    position: center;
+    margin: auto;
+    text-align: center;
+    border-radius: 20px;
+    background-color: #212226;
+}
+
+.icon {
+    position: center;
+    margin: auto;
+    width: 70%;
+    height: 70%;
+}
+
+.btn {
+    background-color: darkred;
+    border-color: darkred;
+    border-radius: 100px;
+    width: 50%;
+}
+
+.btn:hover {
+    background-color: red;
+    border-color: red;
+}
+
+@media screen and (max-width: 766px) {
+    .card h2 {
+        font-size: 7vw;
+    }
+
+    .card h5 {
+        font-size: 5vw;
+    }
+
+    .card a {
+        font-size: 5vw;
+    }
+
+    .navbar-brand {
+        width: 11vw;
+        height: 11vw;
+    }
+
+}
+
+@media screen and (min-width: 767px) {
+    .card h2 {
+        font-size: 4vw;
+    }
+
+    .card h5 {
+        font-size: 2vw;
+    }
+
+    .card a {
+        font-size: 2.5vw;
+    }
+
+    .navbar-brand {
+        width: 8vw;
+        height: 8vw;
+    }
+
+}
+
+@media screen and (min-width: 993px) {
+    .card h2 {
+        font-size: 3vw;
+    }
+
+    .card h5 {
+        font-size: 1.3vw;
+    }
+
+    .card a {
+        font-size: 1.5vw;
+    }
+
+    .navbar-brand {
+        width: 6vw;
+        height: 6vw;
+    }
+
+}
+
+@media screen and (min-width: 1400px) {
+    .card h2 {
+        font-size: 3vw;
+    }
+
+    .card h5 {
+        font-size: 1.5vw;
+    }
+
+    .card a {
+        font-size: 2vw;
+    }
+
+    .navbar-brand {
+        width: 6vw;
+        height: 6vw;
+    }
+
+    :focus {
+        outline: 0 !important;
+        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0) !important;
+    }
+}
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