/* This should be used for button positioning but note this technically repositions the entire widget */
#xsolla-buy-button-widget {
  /* place code for button positioning here */
}

/* Styles the button itself */
.x-buy-button-widget.x-buy-button-widget__tiny
  .x-buy-button-widget-payment-button {
  background-color: #ff005b;
  color: black;
}

/* Button on hover */
.x-buy-button-widget.x-buy-button-widget__tiny
  .x-buy-button-widget-payment-button:hover {
  background-color: #ff005b;
}

/* The following are style overrides to leave you with just the button */

/* space immediately surrounding button */
.x-buy-button-widget-button-block.x-buy-button-widget-button-block__light {
  background-color: white;
}

/* space above button (including game title area) */
.x-buy-button-widget.x-buy-button-widget__tiny
  .x-buy-button-widget-game-logo {
  height: 200px;
  background-image: none !important;
  background-color: white;
}

 /* Game title (located right above button) */
.x-buy-button-widget-game-name.x-buy-button-widget-game-name__light {
  display: none !important;
}

<div id="xsolla-buy-button-widget"></div>
<div id="xsolla-buy-button-widget-2"></div>
    <script>
      var options = {
        project_id: "191204",
        sku: "789",
        item_type: "unit",
        api_settings: {
          sandbox: false,
        },
        widget_ui: {
          target_element: "#xsolla-buy-button-widget",
          theme: {
            foreground: "gold",
            background: "",
          },
        },
        payment_widget_ui: {
          lightbox: {
            height: "700px",
            spinner: "round",
          },
        },
      };
      // options for second buy button - note the different SKU and target_element
      var options2 = {
        project_id: "191204",
        sku: "123",
        item_type: "unit",
        api_settings: {
          sandbox: false,
        },
        widget_ui: {
          target_element: "#xsolla-buy-button-widget-2",
          theme: {
            foreground: "gold",
            background: "",
          },
        },
        payment_widget_ui: {
          lightbox: {
            height: "700px",
            spinner: "round",
          },
        },
      };
      var s = document.createElement("script");
      s.type = "text/javascript";
      s.async = true;
      s.src = "https://cdn.xsolla.net/embed/buy-button/3.1.4/widget.min.js";

// one event listener per widget instance. repeat for more buttons, passing in different SKUs
      s.addEventListener(
        "load",
        function (e) {
          var widgetInstance = XBuyButtonWidget.create(options);
        },
        false
      );
      s.addEventListener(
        "load",
        function (e) {
          var widgetInstance2 = XBuyButtonWidget.create(options2);
        },
        false
      );
      var head = document.getElementsByTagName("head")[0];
      head.appendChild(s);
    </script>