The CSS code for the form applies the following property$-$value set to the CSS Class named "form$-$group" $-$ FLEX: $10300$px;

The "form$-$group" class is then applied to the $2$ main $($blue background$)$ SECTIONs of the FORM.

What does the CSS property and value set mentioned accomplish for those SECTIONs? $($select only correct answers$)$

Group of answer choices

$300$px is the FLEX$-$MAX value, which defines the maximum size this element should be allowed to grow to

$1$ sets the FLEX$-$GROW factor for this element relative to other elements in the same FLEX container

$1$ sets the FLEX$-$SHRINK factor for this element relative to other elements in the same FLEX container

$300$px is the FLEX$-$BASIS value, which the FLEX container should set aside upfront for this element