diff --git a/Website About/NEW/images/404.css b/Website About/NEW/images/404.css
new file mode 100644
index 0000000..e2dcde5
--- /dev/null
+++ b/Website About/NEW/images/404.css	
@@ -0,0 +1,167 @@
+@import url('stylebase.css');
+
+body {
+    font-family: Arial, sans-serif;
+    background-image: url('../images/Gato-Comeu-Pagina-HTML.png');
+    background-repeat: repeat;
+    background-size: 500px;
+    background-position: center;
+    background-attachment: fixed;
+    background-color: var(--background-color);
+    position: relative;
+}
+
+body::before {
+    content: '';
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: linear-gradient(
+        to bottom,
+        rgba(0, 0, 0, 0.7),
+        rgba(0, 0, 0, 0.5)
+    );
+    z-index: -1;
+}
+
+main {
+    text-align: center;
+    padding: 50px 20px;
+    max-width: 800px;
+    margin: 0 auto;
+    min-height: 100vh;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    position: relative;
+    z-index: 1;
+    background: rgba(0, 0, 0, 0.3);
+    border-radius: 20px;
+    backdrop-filter: blur(5px);
+    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
+}
+
+img {
+    max-width: 100%;
+    height: auto;
+    margin-bottom: 30px;
+    border-radius: 10px;
+    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
+    filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.5));
+}
+
+h1 {
+    font-family: Arial, sans-serif;
+    font-size: 4rem;
+    margin-bottom: 10px;
+    color: #ffffff;
+    font-weight: bold;
+    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
+}
+
+h2 {
+    font-family: Arial, sans-serif;
+    font-size: 2rem;
+    margin-bottom: 15px;
+    color: #ffffff;
+    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
+}
+
+strong {
+    font-family: Arial, sans-serif;
+    display: block;
+    font-size: 1.3rem;
+    margin-bottom: 15px;
+    color: #ffffff;
+    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
+}
+
+p {
+    font-family: Arial, sans-serif;
+    font-size: 1.2rem;
+    margin-bottom: 30px;
+    line-height: 1.6;
+    color: #ffffff;
+    max-width: 600px;
+    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
+}
+
+.btn-voltar {
+    font-family: Arial, sans-serif;
+    display: inline-flex;
+    align-items: center;
+    gap: 10px;
+    padding: 15px 30px;
+    background: linear-gradient(145deg, #ffffff, #e6e6e6);
+    color: #000000;
+    text-decoration: none;
+    border-radius: 50px;
+    transition: all 0.3s ease;
+    font-size: 1.2rem;
+    border: none;
+    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
+    position: relative;
+    overflow: hidden;
+    font-weight: bold;
+}
+
+.btn-voltar::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: -100%;
+    width: 100%;
+    height: 100%;
+    background: linear-gradient(
+        90deg,
+        transparent,
+        rgba(255, 255, 255, 0.4),
+        transparent
+    );
+    transition: 0.5s;
+}
+
+.btn-voltar:hover {
+    transform: translateY(-3px);
+    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
+    background: linear-gradient(145deg, #ffffff, #cccccc);
+}
+
+.btn-voltar:hover::before {
+    left: 100%;
+}
+
+.btn-voltar i {
+    font-size: 1.3rem;
+    transition: transform 0.3s ease;
+}
+
+.btn-voltar:hover i {
+    transform: scale(1.2);
+}
+
+@media (max-width: 768px) {
+    body {
+        background-size: 300px;
+    }
+    
+    h1 {
+        font-size: 3rem;
+    }
+    
+    h2 {
+        font-size: 1.5rem;
+    }
+    
+    p {
+        font-size: 1.1rem;
+        padding: 0 20px;
+    }
+    
+    .btn-voltar {
+        padding: 10px 20px;
+    }
+}
\ No newline at end of file