.external {
    background-position: center right;
    background-repeat: no-repeat;
    background-image: linear-gradient(transparent,transparent),url(data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%20standalone%3D%22no%22%3F%3E%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2212%22%20height%3D%2212%22%3E%3Cpath%20fill%3D%22%23fff%22%20stroke%3D%22%2306c%22%20d%3D%22M1.5%204.518h5.982V10.5H1.5z%22%2F%3E%3Cpath%20d%3D%22M5.765%201H11v5.39L9.427%207.937l-1.31-1.31L5.393%209.35l-2.69-2.688%202.81-2.808L4.2%202.544z%22%20fill%3D%22%2306f%22%2F%3E%3Cpath%20d%3D%22M9.995%202.004l.022%204.885L8.2%205.07%205.32%207.95%204.09%206.723l2.882-2.88-1.85-1.852z%22%20fill%3D%22%23fff%22%2F%3E%3C%2Fsvg%3E);
}

caption {
    display: table-caption;
    caption-side: bottom;
    text-align: left;
}