background: bg-color bg-image position/bg-size bg-repeat bg-origin bg-clip bg-attachment initial|inherit;
linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )
radial-gradient() = radial-gradient( [ <ending-shape> || <size> ]? [ at <position> ]? , <color-stop-list> )
O. Deger, Kubra & Değer, Ali. (2012). An Application of Mathematical Tessellation Method in Interior Designing. Procedia - Social and Behavioral Sciences. 51. 249–256. 10.1016/j.sbspro.2012.08.154.