Template:TemplateStyles sandbox/Chlod/test.css

.userpage_image { /* Example: */ background-image: url("//upload.wikimedia.org/wikipedia/commons/8/88/Molave%2C_Goni%2C_90W.png"); background-size: cover; background-position: center; /* The image will take up 75% of the window height as set below. You can change this value to a different * percentage, or use "px" (pixels) instead of "vh" (viewport height). */   height: 75vh /* If you don't want the image to be too big on phones, uncomment the following line. */   /* max-height: 500px */ }