html - Scrollable tbody inside grid layout -


i have simple 3-part layout (header/sidebar/content) using css grid. inside content, have table.

i want table fill remaining space in div.content , have tbody own scrollbar.

every combination of overflow-y: scroll; , position: relative various widths/heights results in either div.content getting scrollbar, or <table> overflowing (see example - on jsbin).

how can make tables <tbody> receive scrollbar, , have table bounded content div without overflowing?

html, body {    margin: 0;    height: 100%;  }    main {    display: grid;    grid-template-areas: 'header header' 'sidebar content';    grid-template-rows: 100px 1fr;    grid-template-columns: 200px 1fr;    width: 100%;    height: 100%;  }      header {    background-color: #ccc;    grid-area: header;    padding: 20px;  }  aside {    background-color: #eee;    grid-area: sidebar;    padding: 10px;  }  aside img {    width: 100%;    mix-blend-mode: darken;  }  div.content {    position: relative;    display: flex;    flex-direction: column;    grid-area: content;    min-height: 0;    min-width: 0;    padding: 10px;    max-height: 100%;    border-bottom: 2px solid black;    overflow-y: scroll;  }    table {    margin: 10px;    width: 100%;  }  thead {    text-align: left;  }  tbody {    height: 100%;    overflow-y: scroll;  }    .code {    font: 12px courier;    color: blue;  }
<main>        <header>          <h2>really rad app title</h2>        </header>        <aside>          <img src="https://thumb7.shutterstock.com/display_pic_with_logo/436114/423846025/stock-vector-example-stamp-423846025.jpg" />          <span>some contextual informations , other such sidebar-y things<span>        </aside>        <div class="content">          <h3>some stuffs</h3>          <div>            why <span class="code">&lt;tbody&gt;</span> ignore <span class="code">overflow-y: scroll;</span>?            <br /><br />            want <span class="code">div.content</span> act portal/window, around remaining fixed; want table stop before bottom of window , have scrollable body (instead of scrolling text offscreen).          </div>                  <table>            <thead><tr><th>one</th><th>two</th><th>three</th></tr></thead>            <tbody>  <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>some content</td><td>some content</td><td>some content</td></tr>            <tr><td>too content</td><td>too content</td><td>too content</td></tr>            <tr><td>too content</td><td>too content</td><td>too content</td></tr>            <tr><td>too content</td><td>too content</td><td>too content</td></tr>            <tr><td>too content</td><td>too content</td><td>too content</td></tr>            <tr><td>too content</td><td>too content</td><td>too content</td></tr>            <tr><td>too content</td><td>too content</td><td>too content</td></tr>            <tr><td>too content</td><td>too content</td><td>too content</td></tr>            <tr><td>too content</td><td>too content</td><td>too content</td></tr>            </tbody>          </table>        </div>      </main>

seems tables have no concept of height, wrapping div , add flex-grow instead (you're using flexbox already).

main changes:

wrapped table <div class='fill'></div>

css addition div.content .fill { flex: 1; overflow-y: scroll }

related: css3 display:table, overflow-y:scroll doesn't work

html, body {    margin: 0;    height: 100%;  }    main {    display: grid;    grid-template-areas: 'header header' 'sidebar content';    grid-template-rows: 100px 1fr;    grid-template-columns: 200px 1fr;    width: 100%;    height: 100%;  }      header {    background-color: #ccc;    grid-area: header;    padding: 20px;  }  aside {    background-color: #eee;    grid-area: sidebar;    padding: 10px;  }  aside img {    width: 100%;    mix-blend-mode: darken;  }  div.content {    position: relative;    display: flex;    flex-direction: column;    grid-area: content;    min-height: 0;    min-width: 0;    padding: 10px;    max-height: 100%;    border-bottom: 2px solid black;    overflow-y: scroll;  }    div.content .fill {    flex: 1;    overflow-y: scroll;  }    table {    width: 100%;    height: 100px;    overflow: auto;  }  thead {    text-align: left;  }  tbody {    height: 100%;    overflow-y: scroll;  }    .code {    font: 12px courier;    color: blue;  }
<main>        <header>          <h2>really rad app title</h2>        </header>        <aside>          <img src="https://thumb7.shutterstock.com/display_pic_with_logo/436114/423846025/stock-vector-example-stamp-423846025.jpg" />          <span>some contextual informations , other such sidebar-y things<span>        </aside>        <div class="content">          <h3>some stuffs</h3>          <div>            why <span class="code">&lt;tbody&gt;</span> ignore <span class="code">overflow-y: scroll;</span>?            <br /><br />            want <span class="code">div.content</span> act portal/window, around remaining fixed; want table stop before bottom of window , have scrollable body (instead of scrolling text offscreen).          </div>          <div class='fill'>              <table>                <thead><tr><th>one</th><th>two</th><th>three</th></tr></thead>                <tbody>      <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>some content</td><td>some content</td><td>some content</td></tr>                <tr><td>too content</td><td>too content</td><td>too content</td></tr>                <tr><td>too content</td><td>too content</td><td>too content</td></tr>                <tr><td>too content</td><td>too content</td><td>too content</td></tr>                <tr><td>too content</td><td>too content</td><td>too content</td></tr>                <tr><td>too content</td><td>too content</td><td>too content</td></tr>                <tr><td>too content</td><td>too content</td><td>too content</td></tr>                <tr><td>too content</td><td>too content</td><td>too content</td></tr>                <tr><td>too content</td><td>too content</td><td>too content</td></tr>                </tbody>              </table>          </div>        </div>      </main>


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