.gallery-item:hover .kurz {
display: block !important;
color: #FDB515;
}
<div class="gallery-item">
<div class="nejaky-dalsi-element"></div>
<span class="kurz"> kurz </span>
</div>
.gallery-item:hover .kurz {
display: block !important;
color: #FDB515;
}
<div class="gallery-item">
<div class="nejaky-dalsi-element"></div>
<span class="kurz"> kurz </span>
</div>