lab/exercise-css/kohlihui/CSS_Lab_18.4.23/style-responsive.css
/* Base Styles */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

/* Header Styles */
header {
    background-color: #333;
    color: #fff;
}

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

nav li {
    margin: 0 20px;
}

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

/* Main Styles */
main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px;
}

section {
    margin: 40px 0;
}

h1,
h2 {
    font-weight: normal;
}

/* Form Styles */
form {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

label {
    width: 100%;
    max-width: 200px;
    margin-right: 20px;
}

input,
textarea {
    width: 100%;
    max-width: 400px;
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 5px;
    border: none;
    background-color: #f5f5f5;
}

input[type="submit"] {
    background-color: #333;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

input[type="submit"]:hover {
    background-color: #666;
}

/* Responsive Styles */
@media only screen and (max-width: 600px) {
    nav li {
        margin: 10px 0;
    }

    form label {
        max-width: 100%;
        margin-right: 0;
        margin-bottom: 10px;
    }

    input,
    textarea {
        max-width: 100%;
    }
}