body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f9;
    margin: 0;
}
 
.container {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
 
h1 {
    color: #e74c3c; /* Red color for the 404 number */
}
 
p {
    color: #333; /* Dark grey color for text */
}
 
form {
    margin-top: 20px;
}
 
input[type="text"] {
    padding: 10px;
    width: calc(100% - 22px); /* Adjust width to fit inside form */
    border: 1px solid #ddd; /* Light grey border */
    border-radius: 4px; /* Rounded corners */
}
 
button {
    padding: 10px 20px; /* Padding inside the button */
    border: none; /* No border */
    background-color: #3498db; /* Blue background */
    color: white; /* White text */
    border-radius: 4px; /* Rounded corners */
    cursor: pointer; /* Pointer cursor on hover */
}
 
button:hover {
    background-color: #2980b9; /* Darker blue on hover */
}