hamburger menu code:

.header .header-burger{

display:flex

}

.header-nav, .header-actions {display:none;}

.header--menu-open .header-menu {

opacity: 1;

visibility: visible;

width: 30%;

margin-left: 0%;

box-shadow: -5px 5px 15px black }

.header-burger {

order : 2;

}