#wpb-browser-wrapper {
    border: 1px solid #ccc;
    border-radius: 5px;
    overflow: hidden;
    margin: 20px 0;
}

#wpb-nav-bar {
    padding: 10px;
    background-color: #f5f5f5;
    border-bottom: 1px solid #ccc;
}

#wpb-nav-bar form {
    display: flex;
}

#wpb-url-input {
    flex-grow: 1;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

#wpb-nav-bar button {
    padding: 8px 12px;
    margin-left: 10px;
    border: 1px solid #ccc;
    background-color: #e0e0e0;
    cursor: pointer;
    border-radius: 3px;
}

#wpb-iframe-container {
    position: relative;
    width: 100%;
    height: 600px; /* Default height */
}

#wpb-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.wpb-iframe-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background-color: #fafafa;
}

.wpb-iframe-placeholder p {
    color: #777;
    font-size: 1.2em;
}