Fix this code so the image added needs to be background image to the whole cell and on this image we have text and another text $---$ overlaef latex online: $\backslash$documentclass$[$a$4$paper,$10$pt$]\{$article$\}$

$\backslash$usepackage$[$top$=0\mathrm{.}5$in$,$ bottom$=0\mathrm{.}5$in$,$ left$=0\mathrm{.}5$in$,$ right$=0\mathrm{.}5$in$]\{$geometry$\}$

$\backslash$usepackage$\{$graphicx$\}$

$\backslash$usepackage$\{$tcolorbox$\}$

$\backslash$usepackage$\{$qrcode$\}$

$\backslash$usepackage$\{$multicol$\}$

$\backslash$usepackage$\{$tikz$\}$

$\backslash$usetikzlibrary$\{$backgrounds$\}$

$\%$ Custom colors

$\backslash$definecolor$\{$titlecolor$\}\{$RGB$\}\{173,216,230\}$

$\%$ Define a new tcolorbox environment with a background image

$\backslash$tcbuselibrary$\{$listings$\}$

$\backslash$tcbuselibrary$\{$tikz$\}$

$\backslash$tcbset$\{$

mybox$/.$style$=\{$

enhanced,

colback$=$white, $\%$ Background color of the box content $($use white or any other color$)$

colframe$=$titlecolor, $\%$ Frame color

width$=\backslash$linewidth$,$

boxrule$=1$mm$,$

title$=\{\backslash$centering $\backslash$textbf$\{$fmdlkvdf$\}\},$

overlay$=\{$

$\backslash$begin$\{$tikzpicture$\}[$remember picture, overlay$]$

$\%$ Background image with scaling and opacity

ode$[$anchor$=$south west,

xscale$=1,$ yscale$=1,$

at$=($frame$.$south west$),$

inner sep$=0$pt$,$ outer sep$=0$pt$,$

opacity$=0\mathrm{.}3,$

width$=\backslash$linewidth$,$ height$=\backslash$dimexpr$\backslash$ht$\backslash$strutbox$+\backslash$dp$\backslash$strutbox$\backslash$relax$]$

$\{\backslash$includegraphics$[$width$=\backslash$linewidth$,$ height$=\backslash$dimexpr$\backslash$ht$\backslash$strutbox$+\backslash$dp$\backslash$strutbox$\backslash$relax$,$ keepaspectratio$]\{$b$.$jpg$\}\}$;

$\backslash$end$\{$tikzpicture$\}$

$\},$

$\}$

$\}$

$\backslash$begin$\{$document$\}$

$\backslash$setlength$\{\backslash$columnsep$\}\{0\mathrm{.}5$in$\}$

$\backslash$begin$\{$multicols$\}\{2\}$

$\%$ Box $1$

$\backslash$begin$\{$minipage$\}\{\backslash$linewidth$\}$

$\backslash$begin$\{$tcolorbox$\}[$mybox$]$

$\backslash$begin$\{$center$\}$

$\backslash$textbf$\{$

ormalsize$\{$idememmeme$\}\}$

$\backslash$end$\{$center$\}$

$\backslash$vspace$\{0\mathrm{.}5$cm$\}$

$\backslash$begin$\{$tcolorbox$\}[$colback$=$white, colframe$=$white, width$=\backslash$linewidth$,$ boxrule$=0$mm$]$

$\backslash$begin$\{$tabular$\}\{$@$\{\}$p$\{0\mathrm{.}6\backslash$textwidth$\}$ p$\{0\mathrm{.}4\backslash$textwidth$\}$@$\{\}\}$

$\backslash$textbf$\{\backslash$Huge$\{\backslash$textcolor$\{$black$\}\{$ahahah$\}\}\}$

ewline

$\backslash$textbf$\{\backslash$large$\{\backslash$textcolor$\{$black$\}\{$hahahhaha$\}\}\}$ &

$\backslash$begin$\{$minipage$\}[$t$]\{\backslash$linewidth$\}$

$\backslash$raggedleft

$\backslash$qrcode$[$height$=2$cm$]\{$ahana$.$html$\}$

$\backslash$end$\{$minipage$\}$

$\backslash$end$\{$tabular$\}$

$\backslash$vspace$\{0\mathrm{.}5$cm$\}$

$\backslash$begin$\{$center$\}$

$\backslash$includegraphics$[$width$=0\mathrm{.}8\backslash$textwidth$]\{$bacground$.$png$\}$

$\backslash$end$\{$center$\}$

$\backslash$end$\{$tcolorbox$\}$

$\backslash$end$\{$tcolorbox$\}$

$\backslash$vspace$\{1$cm$\}\%$ Adjust the vertical space between boxes

$\backslash$end$\{$minipage$\}\backslash$hfill

$\backslash$end$\{$multicols$\}$

$\backslash$end$\{$document$\}$