background-image: linear-gradient(to right bottom, #555555 25px, transparent 25px),
linear-gradient(to right top, #555555 25px, transparent 25px),
linear-gradient(to left bottom, #555555 25px, transparent 25px),
linear-gradient(to left top, #555555 25px, transparent 25px),
linear-gradient(to right top, #000000 25px, transparent 25px),
linear-gradient(to bottom left, #000000 25px, transparent 25px);
background-position:35px 70px,
70px -45px,
-80px 35px,
-45px -80px,
35px -45px,
-45px 35px;
2 лайка