image-fit

Image fits inside parent div

by bseib

HTML

<body style="padding: 1em">

  <div class="outline">
    <div class="centered">
      <div class="overlay-spinner">

        <div class="spinner-border spinner-border-sm" role="status">
          <span class="sr-only"></span>
        </div>

        <img src="https://i.imgur.com/ozEaj1Z.png" class="fit-image">
      </div>
    </div>
  </div>

</body>

CSS

.outline {
  border: 1px solid #999;
  height: 15em;
}

.outline .centered {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.overlay-spinner {
  display: grid;
  height: 13em;
  width: auto;
  justify-items: center;
  align-items: center;
}

.overlay-spinner * {
  grid-column: 1;
  grid-row: 1;
}

.spinner-border {
  display: inline-block;
/*   width: 2rem;
  height: 2rem;
   */  vertical-align: text-bottom;
  border: 0.25em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spinner-border 0.75s linear infinite;
  width: 1rem;
  height: 1rem;
  border-width: 0.2em;

  z-index: 1000;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.fit-image {
  height: 100%;
  width: 100%;
  object-fit: contain;
}

.grid-align-top {
    align-items: start;
}
.grid-1-1 {
    display: grid;
    column-gap: 1em;
    row-gap: 0.25em;
    align-items: baseline;
    padding-left: 0.5em;
    padding-right: 0.5em;
    grid-template-columns: 1fr 1fr;
}

.mt-3, .my-3 {
    margin-top: 1rem !important;
}

* {
    box-sizing: border-box;
}