Untitled

dabblet.css

body {
	font-size: 48px;
	font-family: arial;
}

p {
    margin: 0
}

dabblet.html

<p>&minus; минус
<p>+ плюс
<p>– тире
<p>&minus; + – минус плюс тире

dabblet.js

// alert('Hello world!');

settings.json

{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}