console
<div class="container container1">
<div>Hello World</div>
</div>
<div class="container container2">
<div>Hello World</div>
</div>
<div class="container container3">
<div>Hello World</div>
</div>
.container::after {
content: "";
position: absolute;
top: 0;
left: 50%;
width: 1px;
height: 100%;
background: green;
}
.container1 {
position: relative;
width: 100%;
border: 1px solid red;
}
.container1 div {
width: min(50%, 200px);
border: 1px solid blue;
}
.container2 {
position: relative;
width: 100%;
border: 1px solid red;
}
.container2 div {
width: max(50%, 200px);
border: 1px solid blue;
}
.container3 {
position: relative;
width: 100%;
border: 1px solid red;
}
.container3 div {
width: clamp(150px, 50%, 250px);
border: 1px solid blue;
}