How to solve the overlapping issue in mobile devices while we send email using email template

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<div class="container">Hi ${transaction.nextapprover.firstName},
<p>Purchase Order ${transaction.tranId} is waiting for your approval. Please review the attached document file.</p>
<p>To approve or reject this document through this email, please click below:</p>
<!--mce:protected %3C%21--mce%3Aprotected%20%253C%2521--%2520Buttons%2520--%253E--%3E--> <a class="button" style="background-color: #f8a429; color: white; padding: 10px 20px; text-decoration: none; border-radius: 5px; display: inline-block;" href="https://8183733-sb1.extforms.netsuite.com/app/site/hosting/scriptlet.nl?script=1544&amp;deploy=1&amp;compid=8183733_SB1&amp;ns-at=AAEJ7tMQKHJvr_gjq-PzrtbjrqkLKKskWcimK7L3GV8TxBDipMk&amp;soid=${transaction.id}&amp;action=approve&amp;level=0">Approve</a> <a class="button" style="background-color: #f8a429; color: white; padding: 10px 20px; text-decoration: none; border-radius: 5px; display: inline-block;" href="https://8183733-sb1.extforms.netsuite.com/app/site/hosting/scriptlet.nl?script=1544&amp;deploy=1&amp;compid=8183733_SB1&amp;ns-at=AAEJ7tMQKHJvr_gjq-PzrtbjrqkLKKskWcimK7L3GV8TxBDipMk&amp;soid=${transaction.id}&amp;action=reject&amp;level=0">Reject</a>
<p>To open the record in NetSuite, click the View Document link below.</p>
<br /><a style="color: black;" href="https://8183733-sb1.app.netsuite.com/app/accounting/transactions/purchord.nl?id=${transaction.id}">View Document</a> <br /><br />Kind Regards,<br /><strong>${transaction.subsidiary}</strong><br /><img src="https://8183733.secure.netsuite.com/core/media/media.nl?id=11&amp;c=8183733&amp;h=vfyPBdNlbfXmhl37svv_mGpEVvBD7RH4zav93zhZo810ZbKA" alt="" width="300" height="100" /></div>
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