.widget-system-font {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Liberation Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}
.widget-tud-font {
    font-family: "Open Sans", sans-serif;
}
.widget-text {
    font-size: 13px;
}
.widget-button {
    border: 1px solid gray;
    padding: 0.5em;
    border-radius: 0.2em;
    background-color: #16b378;
    color: white;
    font-size: 13px;
    text-decoration: none;
    margin: 0.5em;
    display: inline-block;
}
.widget-overflow-hidden {
    overflow: hidden;
}
.widget-button:disabled, .widget-button[disabled] {
    border: 1px solid gray;
    background-color: gray;
    color: white;
}