Expand a div to fill the remaining width

Question

I want a two-column div layout, where each one can have variable width e.g.

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Answer 1

A slightly different implementation,

Two div panels(content+extra), side by side, content panel expands if extra panel is not present.

jsfiddle: http://jsfiddle.net/qLTMf/1722/

Answer 2

Thanks for the plug of Simpl.css!

remember to wrap all your columns in ColumnWrapper like so.

<div class="ColumnWrapper">
    <div class="Colum­nOne­Half">Tree</div>
    <div class="Colum­nOne­Half">View</div>
</div>

I am about to release version 1.0 of Simpl.css so help spread the word!

Answer 3

Check this solution out

.container {
  width: 100%;
  height: 200px;
  background-color: green;
}
.sidebar {
  float: left;
  width: 200px;
  height: 200px;
  background-color: yellow;
}
.content {
  background-color: red;
  height: 200px;
  width: auto;
  margin-left: 200px;
}
.item {
  width: 25%;
  background-color: blue;
  float: left;
  color: white;
}
.clearfix {
  clear: both;
}

<div class="container">
  <div class="clearfix"></div>
  <div class="sidebar">width: 200px</div>

  <div class="content">
    <div class="item">25%</div>
    <div class="item">25%</div>
    <div class="item">25%</div>
    <div class="item">25%</div>
  </div>
</div>

Answer 4

Im not sure if this is the answer you are expecting but, why don't you set the width of Tree to 'auto' and width of 'View' to 100% ?

Answer 5

I just discovered the magic of flex boxes (display: flex). Try this:

<style>
  #box {
    display: flex;
  }
  #b {
    flex-grow: 100;
    border: 1px solid green;
  }
</style>
<div id='box'>
 <div id='a'>Tree</div>
 <div id='b'>View</div>
</div>

Flex boxes give me the control I've wished css had for 15 years. Its finally here! More info: https://css-tricks.com/snippets/css/a-guide-to-flexbox/

Answer 6

You can try CSS Grid Layout.

dl {
  display: grid;
  grid-template-columns: max-content auto;
}

dt {
  grid-column: 1;
}

dd {
  grid-column: 2;
  margin: 0;
  background-color: #ccc;
}

<dl>
  <dt>lorem ipsum</dt>
  <dd>dolor sit amet</dd>
  <dt>carpe</dt>
  <dd>diem</dd>
</dl>