<style> 

.anniu{position:relative; cursor:pointer; padding:4px 25px;  display:inline-block;border-radius:20px;  background: linear-gradient(to bottom, #24ecf9, #10b9da,#0e9cca);overflow:hidden;box-shadow:1px 1px 3px #555}

.anniu::after{content: '';   box-shadow: 2px 1px 2px #fff; position: absolute;top: 5px;right: 10px;width: 2px;height: 5px;background: rgba(255, 255, 255, 0.8);transform:rotate(-45deg); border-radius:3px 9px 4px 9px;overflow:hidden}

.anniu::before{content: '';  filter: blur(2px); position: absolute;bottom: -5px;left: 15%;width: 70%; height: 8px;background: #fff; opacity:1; border-radius:50% 50% 0px 0px;}

.wenzi{color:#fff;font-weight: bold; text-shadow: 2px 1px 2px rgba(0,0,0,0.5); font-size:16px}   

</style>

     <div class="anniu"><span class="wenzi">確認(rèn)提交</span></div>