create anav bar by using flexbox
/* Submenu up from mobile screens */
.submenu {
display: none;
}
.submenu-active .submenu {
display: block;
}
.has-submenu i {
font-size: 12px;
}
.has-submenu > a::after {
font-family: "Font Awesome 5 Free";
font-size: 12px;
line-height: 16px;
font-weight: 900;
content: "\f078";
color: white;
padding-left: 5px;
}
.subitem a {
padding: 10px 15px;
}
.submenu-active {
background-color: #111;
border-radius: 3px;
}