body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f4f4;
}
.login-box {
    width: 300px;
    margin: 100px auto;
    background: white;
    padding: 20px;
    box-shadow: 0px 0px 10px rgba(0,0,0,0.1);
    border-radius: 10px;
}
input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
}
button {
    width: 100%;
    padding: 10px;
    background: #0066CC;
    color: white;
    border: none;
    cursor: pointer;
}
.navbar {
    background: #0066CC;
    color: white;
    padding: 10px;
    display: flex;
    justify-content: space-between;
}
.content {
    padding: 20px;
}