body {
    font-family: Arial, sans-serif;
}

.popup {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}

.popup-content {
    background-color: #fff;
    margin: 7.5% auto;
    padding: 20px;
    border: 1px solid #dfb863;
    width: 80%;
    max-width: 400px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}
@media only screen and (max-width: 600px) {
    .popup-content {
        margin: 25% auto;
    }
}
.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
}

label {
    display: block;
    margin: 1px 0 5px;
}

input[type="text"],
input[type="email"] {
    width: 100%;
    padding: 10px;
    margin: 5px 0 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

input[type="submit"] {
    background-color: #dfb863;
    color: white;
    border: none;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 10px 0;
    border-radius: 5px;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #c4a054;
}