{{define "error.html" -}}
{{template "header.html" .}}
<div class="ui inverted borderless large menu">
  <div class="ui container">
    <a class="ui inverted header item" target="_blank" href="https://www.ohurls.cn?utm_source=product&utm_medium=header">          
        <div class="content">ohUrlShortener</div>           
    </a>                 
  </div>
</div>
<div class="ui top aligned grid" style="height: calc(100% - 125px); margin: 0;">
  <div class="ui center aligned column">    
    <div class="ui 