<div class="container" id="splash_container">
<table width="100%">
- <tr><td id="splash" align="center" style="vertical-align: middle; height: calc(100% / 2); overflow: auto;">
+ <tr><td id="splash" align="center" style="vertical-align: middle; height: 400px; overflow: auto;">
<h2>
Welcome to <b>NetData</b>!
<br/><br/>