Two things are happening here. You are not using the container class properly. You are trying to override Bootstrap's CSS for the container ... ... <看更多>

In current version of bootstrap classes mh-100 and mw-100 respectively define the max-height and max-width to 100%. But none for min-height ... ... <看更多>

Width and height utilities are generated from the $sizes Sass map in ... <div class="min-vh-100">Min-height 100vh</div> <div class="vw-100">Width ... ... <看更多>