body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #bfcedd;
    color: #333;
}
header {
    background-color: #2c3e50; 
    
    color: #ffffff;
    text-align: center;
    padding: 20px 0;
}

nav ul {
    list-style: none;
    padding: 0;
    
    display: flex;
    justify-content: center;
}

nav a {
    text-decoration: none;
    color: #ffffff;
    padding: 10px 20px; 
    display: block;
}

nav a:hover {
    background-color: #34495e; 
    border-radius: 5px;
}

main {
    display: flex;
    padding: 20px;
}

section {

    flex: 3;
}

aside {

    flex: 1;
}

section, aside {

    background-color: #ffffff;

    padding: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    border-radius: 8px; 
}


article {
    margin-bottom: 30px; 
}

h2, h3 {
    color: #2c3e50;
}



form input[type="text"],
form input[type="email"],
form input[type="password"] {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 10px;
    border: 2px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-bottom: 15px; 
}


form button {
    width: 100%;
    padding: 10px;
    border: none;
    background-color: #2c3e50;
    color: white;
    font-size: 16px;
    cursor: pointer;
    border-radius: 4px;
}

form button:hover {
    background-color: #34495e;
}

form fieldset {
    border: 1px solid #ccc;
    padding: 10px;
    margin-bottom: 15px;
}

footer {

    text-align: center;
    padding: 20px;
    

    background-color: #2c3e50;
    color: #ffffff;
}