Despite using z-index: 999; for My Basket and Profile content, I encountered the same problem. To address this issue, I attempted adding z-index: -1; to div contents such as burgers and fried_dishes. However, applying z-index to the div caused it to disappear. Thank you for your assistance :)
================================= Innovative Project ========================================
===========================/ index /==============================
<div class="pm_h_menu" style="position: fixed;right:0;top:0;">
<ul>
<li><a href="./?p=pm_shop"><i class="fas fa-shopping-basket txt_color_pm"></i> <b>My Basket</b></a></li>
<li><a href="./?p=profile"><i class="fas fa-user txt_color_pm"></i> <b>Profile</b></a></li>
</ul>
</div>
<div class="pm_clear"></div>
<center>
<h2 class="column-title"><i class="fas fa-angle-double-right"></i> OUR MENU <i class="fas fa-angle-double-left"></i></h2>
</center>
<hr style="border:2px solid #FA5B11;border-radius: 325%;" />
<div class="pm_shop_catagory_burgers">
<span class="top-left">
<h2 class="column-title">
<a class="collapsible">Burgers</a>
<div class="content" style="padding: 6px;">
<a href="./?p=1_4qpb" style="font-size:10pt;">1/4 Quarter Pounder Burger</a>
<hr />
<a href="./?p=1_2hpb" style="font-size:10pt;">1/2 Half Pounder Burger</a>
<hr />
<a href="./?p=1_2hpb" style="font-size:10pt;">Triple Burger</a>
<hr style="border:1px dashed #FA5B11;"/>
<a href="./?p=1_4chb" style="font-size:10pt;">1/4 Chiken Burger</a>
<hr />
<a href="./?p=1_2chb" style="font-size:10pt;">1/2 Chiken Burger</a>
</div>
</h2>
</span>
</div>
<div class="pm_shop_catagory_grill_dishes">
<span class="top-left"><h2 class="column-title"><a href="#">Grill Dishes</a></h2></span>
</div>
<div class="pm_shop_catagory_fried_dishes">
<span class="top-left"><h2 class="column-title"><a href="#">Fried Dishes</a></h2></span>
</div>
<br />
======================================= Style Sheet (CSS) =========================
/*
| HEADER MENU |
*/
.pm_h_menu ul {
list-style-type: none;
margin: 0;
padding: 0;
overflow: hidden;
font-family: 'Montserrat', sans-serif;
text-transform: uppercase;
background-color: #333;
letter-spacing: 1px;
-webkit-transition: .3s;
transition: .3s;
z-index: -1;
}
.pm_h_menu li {
float: left;
}
.pm_h_menu li a {
display: block;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
border-bottom:3px solid #FA5B11;
}
.pm_h_menu li a:hover {
background-color: #111;
color:#FA5B11;
border-bottom:3px solid #5C94B9;
-webkit-transition: all 0.3s ease-out;
transition: all 0.3s ease-out;
}
/*
| END HEADER MENU |
*/
/*
|BURGERS DIV
*/
.pm_shop_catagory_burgers {
width: 250px;
height: 200px;
background: url('https://ibb.co/i7GcA9')center;
position: relative;
display: inline-block;
left:25px;
border-bottom: 1px solid #7FADCB;
}
.pm_shop_catagory_burgers .top-left {
position: absolute;
top: 8px;
left: 65px;
}
.pm_shop_catagory_burgers .top-left a{
text-decoration: none;
color:#FA5B11;
}
.pm_shop_catagory_burgers .top-left a:hover{
text-decoration: none;
color:#7FADCB;
}
.pm_shop_catagory_burgers .top-left a:hover:before{
border-radius:325%;
display: block;
position: absolute;
margin-left: -25px;
content: "\2192";
}
/*
|END BURGERS DIV
*/
/*
|GRILL DISHES DIV
*/
.pm_shop_catagory_grill_dishes {
width: 240px;
height: 200px;
background: url('https://ibb.co/dUieOU')center;
position: relative;
display: inline-block;
left:25px;
border-bottom: 1px solid #7FADCB;
}
.pm_shop_catagory_grill_dishes span.top-left {
position: absolute;
top: 8px;
left: 35px;
}
.pm_shop_catagory_grill_dishes .top-left a{
text-decoration: none;
color:#FA5B11;
}
.pm_shop_catagory_grill_dishes .top-left a:hover{
text-decoration: none;
color:#7FADCB;
}
.pm_shop_catagory_grill_dishes .top-left a:hover:before{
display: block;
position: absolute;
margin-left: -25px;
content: "\2192";
}
/*
|END GRILL DISHES DIV
*/
/*
|FRIED DISHES DIV
*/
.pm_shop_catagory_fried_dishes {
width: 240px;
height: 200px;
background: url('https://ibb.co/hrsHA9')center;
position: relative;
display: inline-block;
left:25px;
border-bottom: 1px solid #7FADCB;
}
.pm_shop_catagory_fried_dishes span.top-left {
position: absolute;
top: 8px;
left: 35px;
}
.pm_shop_catagory_fried_dishes .top-left a{
text-decoration: none;
color:#FA5B11;
}
.pm_shop_catagory_fried_dishes .top-left a:hover{
text-decoration: none;
color:#7FADCB;
}
.pm_shop_catagory_fried_dishes .top-left a:hover:before{
display: block;
position: absolute;
margin-left: -25px;
content: "\2192";
}
/*
|END FRIED DISHES