cross
+
by edwardsharp
HTML
<div></div>
CSS
div {
width: 280px;
height: 280px;
background: white;
-webkit-clip-path: polygon(0 45%, 45% 45%, 45% 0, 55% 0, 55% 45%, 100% 45%, 100% 55%, 55% 55%, 55% 100%, 45% 100%, 45% 55%, 0 55%);
clip-path: polygon(0 45%, 45% 45%, 45% 0, 55% 0, 55% 45%, 100% 45%, 100% 55%, 55% 55%, 55% 100%, 45% 100%, 45% 55%, 0 55%);
}
/* Center the demo */
html, body { height: 100%; }
body {
display: flex;
justify-content: center;
align-items: center;
background-color: black;
}