Untitled

dabblet.css

body { padding:50px; background:#000; }
h1 { width:250px; font:bold 36px sans-serif; letter-spacing:-1px; color:#FFF; padding: 10px 0 10px 40px; }

.wrap {
	box-shadow: -35px 0 0 5px #38bfdb, 10px 0 0 5px #38bfdb;
}
.inner {
	background: #38bfdb;
	position:relative;
}

dabblet.html

<h1>
            <span class="wrap">
                <span class="inner">Titre d'une expo en 3 lignes.</span>
            </span>
        </h1>

settings.json

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