<!doctype html>
<style>
body * {
border: 5px solid red;
padding: 5px;
}
span {
display: inline-block;
width: 200px;
border-color: green;
}
#container {
width: 150px;
}
.min-width-fit-content,
.min-width-min-content,
.min-width-max-content {
display: inline-block;
}
.min-width-max-content {
white-space: nowrap;
}
</style>
<div id="container">
<div class="min-width-min-content">
<span>Min Content</span> on this box.
</div>
<br>
<div class="min-width-max-content">
<span>Max Content</span> on this box.
</div>
<br>
<div class="min-width-fill-available">
<span>Fill Available</span> on this box.
</div>
<div class="min-width-fit-content">
<span>Fit Content</span> on this box.
</div>
</div>