center legend

dabblet.css

/* center legend */
legend {font-size:30px;
    font-weight:400;
    border-bottom:#e45f56 solid 5px; 
    margin-left:35.7%;
    }
form { color:#666;
    width:310px;
    text-align:center;
    }
input {max-width:40%;

dabblet.html

<form><fieldset><legend>legend</legend><input type="text" value="texte"/> <input type="text" value="texte"/><br/><input type="submit" value="yep"/></fieldset></form>

dabblet.js

// alert('Hello world!');

settings.json

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