<template>
  <div id="app">
    <button v-on:click="count++">
        You clicked me {{ count }} times.
    </button>
    <button v-on:click="count++">
        You clicked me {{ count }} times.
    </button>
    <button v-on:click="count++">
        You clicked me {{ count }} times.
    </button>
  </div>
</template>

<script>
export default {
  data: {
    count: 0
  },
};
</script>

<!-- Use preprocessors via the lang attribute! e.g. <style lang="scss"> -->
<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  text-align: center;
  color: #2c3e50;
  display: flex; /* 弹性布局 */
  justify-content: center; /* 水平居中 */
  align-items: center;
  min-height: 100vh;
}

button {
  color: #4fc08d;
  background: none;
  border: solid 1px;
  border-radius: 2em;
  font: inherit;
  padding: 0.5em 2em;
  outline: none;
  margin: 0 auto;
}
button:hover {
  cursor: pointer;
  outline: none;
  }
</style>