body {
    padding-top: 100px;
    background-color: #f5f5f5;
}

.login-box {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.panel-title {
    font-size: 20px;
    font-weight: bold;
}

.form-group {
    margin-bottom: 15px;
}