.ghcu-wrapper {
    max-width: 700px;
    margin: 40px auto;
    padding: 35px;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    box-sizing: border-box;
}

.ghcu-wrapper h2 { margin: 0 0 15px; }
.ghcu-description { line-height: 1.6; margin-bottom: 25px; }
.ghcu-field { margin-bottom: 20px; }
.ghcu-field label { display: block; margin-bottom: 8px; font-weight: 600; }
.ghcu-field label span { color: #d00; }
.ghcu-field input[type="text"],
.ghcu-field input[type="email"],
.ghcu-field input[type="tel"],
.ghcu-field input[type="file"] {
    width: 100%; padding: 12px 15px; border: 1px solid #ddd;
    border-radius: 5px; box-sizing: border-box;
}
.ghcu-field small { display: block; margin-top: 7px; color: #777; }
.ghcu-template { margin-bottom: 30px; }
.ghcu-download, .ghcu-submit {
    display: inline-block; padding: 12px 24px; background: #222; color: #fff;
    border: 0; border-radius: 5px; text-decoration: none; cursor: pointer; font-size: 16px;
}
.ghcu-download:hover, .ghcu-submit:hover { opacity: .85; color: #fff; }
.ghcu-message { padding: 14px 18px; margin-bottom: 25px; border-radius: 5px; }
.ghcu-success { background: #e8f7e8; color: #267326; }
.ghcu-error { background: #fdeaea; color: #b00000; }