<head>
<title>{{ page.title | default: 'Play with Docker Classroom' }}</title>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">

<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:title" content="{{ page.title | default: 'Play With Compiler' }}" />
<meta name="twitter:description" content="{{ page.description | default: 'Learn compiler development through online trainings at freecompi