/* Reset some default browser styles */
body, h1, h2, p, ul, li, a {
    margin: 0;
    padding: 0;
    border: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    color: #333;
}

/* Header styles */
header {
    background-color: #007bff;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 20px;
    font-weight: bold;
}

nav ul li.active {
    text-decoration: underline;
}

/* Main content styles */
.main {
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    text-align: center;
}

h2 {
    font-size: 24px;
    margin-bottom: 20px;
}

.tool-list {
    list-style-type: none;
    padding: 0;
}

.tool-list li {
    margin-bottom: 20px;
}

.tool-list a {
    display: block;
    text-decoration: none;
    color: #333;
    transition: color 0.3s;
}

.tool-list a:hover {
    color: #007bff;
}

.tool-list img {
    width: 80px;
    height: 80px;
    margin-bottom: 10px;
}

/* Footer styles */
footer {
    text-align: center;
    background-color: #333;
    color: #fff;
    padding: 10px 0;
}