main.css

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    line-height: 1.6;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
}

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

header nav ul li {
    margin: 0 1rem;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
}

.container {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.profile {
    text-align: center;
}

.profile-pic {
    border-radius: 50%;
    width: 150px;
    height: 150px;
}

.btn {
    display: inline-block;
    background: #333;
    color: #fff;
    padding: 0.5rem 1rem;
    margin-top: 1rem;
    text-decoration: none;
    border-radius: 5px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.card {
    background: #f4f4f4;
    padding: 1rem;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
}

footer nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin-top: 1rem;
}

footer nav ul li {
    margin: 0 1rem;
}

footer nav ul li a {
    color: #fff;
    text-decoration: none;
}

form {
    display: flex;
    flex-direction: column;
}

form label {
    margin-bottom: 0.5rem;
}

form input,
form textarea {
    margin-bottom: 1rem;
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 5px;
}

form button {
    background: #333;
    color: #fff;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}