Your website's layout has a sidebar and a main content area. You want both elements to be side by side using the display and$/$or float properties in CSS$.$

Which of the following Css rule sets would achieve this desired layout?

SELECT ONLY ONE

sidebar $1$

float: left;

r

$.$main$-$content f

float: left;

J

$-$sidebar $1$

display: block;

$\}$

$-$main$-$content $\{$

display: block;

$\}$