CSS 圆角渐变边框

 <div class="contact-box"><div class="contact-item">联系我们</div>
</div>

    .contact-item{width: 194px;height: 48px;border-radius: 20px 20px 20px 20px;background-color: #000000;color: #BDBDBD;font-weight: 500;font-size: 16px;text-align: center;line-height: 48px;cursor: pointer;}border: 1px solid;width: 194px;height: 48px;background: linear-gradient(90deg, rgba(202, 217, 255, 1), rgba(218, 218, 218, 1), rgba(255, 144, 71, 1));border-radius: 20px 20px 20px 20px;padding: 1px;/* 边框宽度 */}