UPDATE target AS t
SET poster = s.poster
FROM source AS s
WHERE s."posterId" = t.idnpm -vnode -vnpm i expressnpm install express
<ul class="myclass">
<li class="myclass__elem">А</li>
<li class="myclass__elem">B</li>
<li class="myclass__elem new">C</li> <!--на этот-->
</ul>.myclass .myclass__elem {
// правила для всех li
}
.myclass .myclass__elem.new {
// правила для особенного li
}.footer {
margin-top: 50px;
width:100%;
height: 150px;
background-color: #1587a2;
text-align: center;
position:relative;
}
.footer span {
color:white;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}img {
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%,-50%);
}img {
position: fixed;
left: 50%;
top: 50%;
transform: translate(-50%,-50%);
}{
background-image: url();
background-size: cover;
}