responsive design using flexbox

the most difficult part was applying the filter on the picture o it's still messed up i hope someone can help with that, i've used position absolute so when you make the page bigger or smaller it follows the body . there's a way using grid but am still learning it so i hope someone has an even easier way

. i could've used filter but it wasn't even close to the design that's why i had to used a div with the pink background color and that's where i messed up