budibase/packages/builder/src/common/PlusButton.svelte

<button on:click>
  <slot>
    +
  </slot>
</button>

<style>
  button {
    cursor: pointer;
    outline: none;
    border: none;
    border-radius: 5px;
    background: rgba(249, 249, 249, 1);

    min-width: 1.8rem;
    min-height: 1.8rem;
    padding-bottom: 10px;

    display: flex;
    justify-content: center;
    align-items: center;

    font-size: 1.2rem;
    font-weight: 700;
    color: rgba(22, 48, 87, 1);
  }
</style>