Folded corner effect
{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"css"}
// alert('Hello world!');
<div>“The only way to get rid of a temptation is to yield to it.”
— Oscar Wilde, The Picture of Dorian Gray</div>
/**
* Folded corner effect
*/
div {
width: 12em;
background: #58a; /* Fallback */
background:
linear-gradient(to left bottom, transparent 50%, rgba(0,0,0,.4) 0) 100% 0 no-repeat,
linear-gradient(-135deg, transparent 1.5em, #58a 0);
background-size: 2em 2em, auto;
padding: 2em;
color: white;
font: 100%/1.6 Baskerville, Palatino, serif;
}