.storyline-block {
    position: relative;
}

.storyline-fullscreen-btn {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 4px;
    padding: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.storyline-fullscreen-btn:hover {
    background: rgba(0, 0, 0, 0.7);
}

.storyline-fullscreen-btn svg {
    width: 20px;
    height: 20px;
    stroke: white;
}

.storyline-block.fullscreen {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    z-index: 999999;
    background: #000;
    margin: 0 !important;
}

.storyline-block.fullscreen iframe {
    width: 100%;
    height: 100%;
}