body {
    font-family: Arial, sans-serif;
    background-color: #333;
    color: #fff;
    margin: 0;
    padding: 0;
}
header {
    background-color: #222;
    padding: 20px;
    text-align: center;
}
header h1 {
    margin: 0;
}
nav {
    background-color: #111;
    padding: 10px 0;
    text-align: center;
}
nav a {
    color: #fff;
    text-decoration: none;
    padding: 10px 20px;
    margin: 0 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}
nav a:hover {
    background-color: #555;
}
a {
    background-color: #111;
    color: #fff;
    text-decoration: none;
    padding: 10px 20px;
    margin: 0 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}
a:hover {
    background-color: #555;
}
.btn {
    color: #111;
    text-decoration: none;
    padding: 10px 20px;
    margin: 20px 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}
.btn:hover {
    color: #fff;
    background-color: #555;
}

main {
    width: 75%;
    margin: auto;
}

section {
    padding: 20px;
}
div.register {
    background-color: #111;
    padding: 10px 0;
}
div.register a {
    color: #fff;
    text-decoration: none;
    padding: 10px 20px;
    margin: 0 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}
div.register a:hover {
    background-color: #555;
}

.login-box {
    background-color: #444;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
}
.project {
    background-color: #444;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
}
.project h2 {
    margin-top: 0;
}
footer {
    background-color: #222;
    padding: 20px;
    text-align: center;
    bottom: 0;
}