Day 9: the inset shorthand property

The inset property is a shorthand for the top, right, bottom, and/or left properties. It implements the same multi-value syntax like margin.

<div class="parent">
  <div class="child">
    At bottom right with 20px offset
  </div>
</div>
.parent {
  width: 12rem;
  height: 12rem;
  position: relative;
}

.child {
  position: absolute;
  /* top: auto; right: 20px; bottom: 20px; left: auto */
  inset: auto 20px 20px auto;
  width: 50%;
  height: 50%;
}
At bottom right with 20px offset

Just like margin, inset does not respect the reading direction. To work around that, use the inset-inline and inset-block shorthands.

.child {
  position: absolute;
  /* top: auto; bottom: 20px; in ltr */
  inset-block: auto 20px;
  /*  left: auto; right: 20px; in ltr */
  inset-inline: auto 20px;
}
<div class="parent" dir="rtl">
  <div class="child">
    At bottom right with 20px offset
  </div>
</div>
At bottom right with 20px offset

Are these shorthands useful? I don’t know. I’ll cover some use cases later in the series, but I wasn’t able to come up with many scenarios where inset makes things much easier.

My blog doesn’t support comments yet, but you can reply via blog@matuzo.at.


This content originally appeared on Manuel Matuzović - Blog and was authored by Manuel Matuzović

The inset property is a shorthand for the top, right, bottom, and/or left properties. It implements the same multi-value syntax like margin.

<div class="parent">
  <div class="child">
    At bottom right with 20px offset
  </div>
</div>
.parent {
  width: 12rem;
  height: 12rem;
  position: relative;
}

.child {
  position: absolute;
  /* top: auto; right: 20px; bottom: 20px; left: auto */
  inset: auto 20px 20px auto;
  width: 50%;
  height: 50%;
}
At bottom right with 20px offset

Just like margin, inset does not respect the reading direction. To work around that, use the inset-inline and inset-block shorthands.

.child {
  position: absolute;
  /* top: auto; bottom: 20px; in ltr */
  inset-block: auto 20px;
  /*  left: auto; right: 20px; in ltr */
  inset-inline: auto 20px;
}
<div class="parent" dir="rtl">
  <div class="child">
    At bottom right with 20px offset
  </div>
</div>
At bottom right with 20px offset

Are these shorthands useful? I don't know. I'll cover some use cases later in the series, but I wasn't able to come up with many scenarios where inset makes things much easier.

My blog doesn't support comments yet, but you can reply via blog@matuzo.at.


This content originally appeared on Manuel Matuzović - Blog and was authored by Manuel Matuzović


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