body {

font-family: Arial;
max-width: 800px;
margin: auto;
padding: 30px;
background: #f4f4f4;

}

.card {

background: white;
padding: 20px;
margin-bottom: 20px;
border-radius: 10px;

}

button {

padding: 10px 20px;
background: blue;
color: white;
border: none;
cursor: pointer;

}

.feedback-btn{
    background:#2563eb;
    color:white;
    padding:12px 18px;
    border-radius:6px;
    text-decoration:none;
}

.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: #ffffff;
    margin: 8% auto;
    padding: 25px;
    width: 500px;
    max-width: 90%;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

.close {
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}