[Bug] Styling, button (pill) corners become square on hover [Firefox]

[joel492]

🐞 Describe the Bug

When using the paypal button in a vue.js project, and loading the page with Firefox (v. 118.0.1), the rounded corners of the button become square on hover.

I created a minimal sample project using this guide: https://cli.vuejs.org/guide/creating-a-project.html using npm install vue@2.6.14 -g and then npm install @paypal/paypal-js.

🔬 Minimal Reproduction

Hover over a paypal button that has style shape pill, using Firefox.

😕 Actual Behavior

The corners become square when hovering the button.

The problem does not occur when using layout: 'horizontal'

🤔 Expected Behavior

The corners stay rounded with their border-radius.

🌍 Environment

• Node.js/npm: v18.16.0/9.5.1
• OS: OS X 14
• Browser: Firefox 118.0.1
• vue.js 2.6.14
• paypal-js 7.0.3

➕ Additional Context

Here is the code I'm using:

<template>
  <div class="greetings">
    <h1 class="green">{{ msg }}</h1>
    <h3>
      You’ve successfully created a project with
      <a target="_blank" href="https://vitejs.dev/">Vite</a> +
      <a target="_blank" href="https://v2.vuejs.org/">Vue 2</a>.
    </h3>
    <div id="paypal-container" />
  </div>
</template>

<script>
import { loadScript } from "@paypal/paypal-js";

export default {
  props: {
    msg: {
      type: String,
      required: true
    }
  },
  methods: {
    renderPaypalButton(paypal) {
      paypal
          .Buttons({
          style: { shape: 'pill' }})
          .render("#paypal-container")
          .catch((error) => {
            console.error("failed to render the PayPal Buttons", error);
          });
    }
  },
  mounted() {
    this.paypal = loadScript({
      clientId: '<my-retracted-paypal-id>',
      currency: 'EUR',
      disableFunding: [
        'card',
        'credit',
        'paylater',
        'bancontact',
        'blik',
        'eps',
        'giropay',
        'ideal',
        'mercadopago',
        'mybank',
        'p24',
        'sepa',
        'sofort',
        'venmo'
      ]
    }).then(paypal => {
      this.renderPaypalButton(paypal);
    });
  }
}
</script>

<style scoped>
h1 {
  font-weight: 500;
  font-size: 2.6rem;
  top: -10px;
}

h3 {
  font-size: 1.2rem;
}

.greetings h1,
.greetings h3 {
  text-align: center;
}

@media (min-width: 1024px) {
  .greetings h1,
  .greetings h3 {
    display: block;
    text-align: left;
  }
}
</style>

[github-actions[bot]]

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[valoricDe]

@gregjopa Hi there. Is there something needed to be able to work on this, except of time we all lack xD