You Can Use Selector "+"
HTML
<a id="tooldrop">HOVER ME !</a>
<ul id="dropea">
<li>ONE</li>
<li>TWO</li>
</ul
CSS
ul#dropea li{
background-color: red;padding: 10px;opacity: 0;transition: all 0.3s ease-in-out;
}
#tooldrop:hover + ul#dropea li {
transform: rotate(0) scale(1);
opacity: 1;
}
===========================================
JUST ADD "+" EVERY NEW ELEMENT
HTML
<a id="tooldrop">HOVER ME !</a>
<div class="block"></div>
<ul id="dropea">
<li>ONE</li>
<li>TWO</li>
</ul>
CSS
ul#dropea li{
background-color: red;padding: 10px;opacity: 0;transition: all 0.3s ease-in-out;
}
#tooldrop:hover + div.block + ul#dropea li {
transform: rotate(0) scale(1);
opacity: 1;
}
ExteraDex