demo-tag { display: inline; position: relative; }
demo-tag::before { content: "Demo:"; font-size: 18px; left: 5px; position: absolute; top: 3px; }
demo-container { display: block; border: 2px solid rgb(189, 189, 189); padding: 25px 10px 10px; border-radius: 4px; width: 250px; height: 200px; position: relative; overflow: hidden; }
demo-object { display: block; background-color: rgb(224, 255, 253); border: 1px solid rgb(170, 170, 170); 


position: absolute;
position-anchor: --demo-anchor;
position-area: top;
width: 120px;
padding: 6px;
background-color: royalblue;
color: white;
text-align: center;

 }
block-anchor {
anchor-name: --demo-anchor;
width: 100px;
height: 40px;
background-color: rgb(204, 204, 204);
margin: 0px auto;
display: flex;
align-items: center;
justify-content: center;
}
.element{position-visibility: always;}