• Add css styles to the parent container of the tag: display:flex; justi-content:center;

• Code example:

    .test{
                display: flex;
                justify-content: center;
            }
            p{
                background: gray;
                margin: 0 10px;
                border-radius: 2px;
                padding: 0 10px;
            }

<p class="test">
            <p>111</p>
            <p>222</p>
            <p>333</p>
</p>

Add text-align: center