.ulb-overlay{
position:fixed;
top:0;
left:0;
width:100%;
height:100%;
background:rgba(0,0,0,0.92);
display:flex;
justify-content:center;
align-items:center;
flex-direction:column;
z-index:9999;
}

.ulb-img-wrapper{
position:relative;
overflow:hidden;
max-width:92%;
max-height:90%;
}

.ulb-overlay img{
max-width:100%;
max-height:100%;
touch-action:none;
transition:transform 0.25s ease;
}

.ulb-caption{
color:#fff;
margin-top:10px;
font-size:14px;
text-align:center;
max-width:80%;
}

.ulb-close{
position:absolute;
top:20px;
right:30px;
color:white;
font-size:40px;
cursor:pointer;
}

.ulb-arrow{
position:absolute;
top:50%;
transform:translateY(-50%);
color:white;
font-size:45px;
cursor:pointer;
user-select:none;
}

.ulb-prev{ left:20px; }
.ulb-next{ right:20px; }