JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <div>
        <a class="cm1">你好<br/>我是測試一二三四五</a>
    </div>
    <a class="cm1 vcenter">
        <span class="cm1 dummy"></span><span>你好<br/>我是測試一二三四五</span>
    </a>
</body>

CSS

.cm1 {
    appearance: button;
    -webkit-appearance: button;
    text-decoration: none; font: menu; color: ButtonText;
    display: inline-block; padding: 20px 80px;
    min-height: 50px;
    margin-bottom:15px;  
    text-align: center;
    border: 3px solid black;
}
.vcenter > * {
    display: inline-block;
    vertical-align: middle;
}
.dummy {
    border: 0;
    padding: 0;
    margin: 0;
}