.home-window-cover{-webkit-mask-image:linear-gradient(to right, transparent, var(--petrol) 9%, var(--petrol) 91%, transparent), linear-gradient(to bottom, transparent, var(--petrol) 10%, var(--petrol) 83%, transparent);-webkit-mask-image:linear-gradient(to right, transparent, var(--petrol) 9%, var(--petrol) 91%, transparent), linear-gradient(to bottom, transparent, var(--petrol) 10%, var(--petrol) 83%, transparent);mask-image:linear-gradient(to right, transparent, var(--petrol) 9%, var(--petrol) 91%, transparent), linear-gradient(to bottom, transparent, var(--petrol) 10%, var(--petrol) 83%, transparent);-webkit-mask-composite:source-in;-webkit-mask-composite:source-in;mask-composite:intersect}