gradientowe ramki
http://www.hongkiat.com/blog/css-gradient-border/
padding: 2rem 2rem 0.6rem 2rem; background: repeating-linear-gradient(45deg, transparent, transparent 25px, gray 25px, gray 50px); border: 5px solid #fff; border-image-source: linear-gradient(45deg, #008f68, #fae042); border-image-slice: 1;
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