标签：Tables Griffin collapse width th table border CSS css25

https://www.w3schools.com/css/css_table.asp

css25 CSS Tables

CSS Tables

The look of an HTML table can be greatly improved with CSS:

<!DOCTYPE html>
<html>
<head>
<style>
#customers {
  font-family: Arial, Helvetica, sans-serif;
  border-collapse: collapse;
  width: 100%;
}

#customers td, #customers th {
  border: 1px solid #ddd;
  padding: 8px;
}

#customers tr:nth-child(even){background-color: #f2f2f2;}

#customers tr:hover {background-color: #ddd;}

#customers th {
  padding-top: 12px;
  padding-bottom: 12px;
  text-align: left;
  background-color: #04AA6D;
  color: white;
}
</style>
</head>
<body>

<h1>A Fancy Table</h1>

<table id="customers">
  <tr>
    <th>Company</th>
    <th>Contact</th>
    <th>Country</th>
  </tr>
  <tr>
    <td>Alfreds Futterkiste</td>
    <td>Maria Anders</td>
    <td>Germany</td>
  </tr>
  <tr>
    <td>Berglunds snabbköp</td>
    <td>Christina Berglund</td>
    <td>Sweden</td>
  </tr>
  <tr>
    <td>Centro comercial Moctezuma</td>
    <td>Francisco Chang</td>
    <td>Mexico</td>
  </tr>
  <tr>
    <td>Ernst Handel</td>
    <td>Roland Mendel</td>
    <td>Austria</td>
  </tr>
  <tr>
    <td>Island Trading</td>
    <td>Helen Bennett</td>
    <td>UK</td>
  </tr>
  <tr>
    <td>Königlich Essen</td>
    <td>Philip Cramer</td>
    <td>Germany</td>
  </tr>
  <tr>
    <td>Laughing Bacchus Winecellars</td>
    <td>Yoshi Tannamuri</td>
    <td>Canada</td>
  </tr>
  <tr>
    <td>Magazzini Alimentari Riuniti</td>
    <td>Giovanni Rovelli</td>
    <td>Italy</td>
  </tr>
  <tr>
    <td>North/South</td>
    <td>Simon Crowther</td>
    <td>UK</td>
  </tr>
  <tr>
    <td>Paris spécialités</td>
    <td>Marie Bertrand</td>
    <td>France</td>
  </tr>
</table>

</body>
</html>

Table Borders

To specify table borders in CSS, use the border property.

The example below specifies a solid border for <table>, <th>, and <td> elements:

Example

table, th, td {
border: 1px solid;
}

<!DOCTYPE html>
<html>
<head>
<style>
table, th, td {
  border: 1px solid;
}
</style>
</head>
<body>

<h2>Add a border to a table:</h2>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
  </tr>
</table>

</body>
</html>

Full-Width Table

The table above might seem small in some cases. If you need a table that should span the entire screen (full-width), add width: 100% to the <table> element:

Example

table {
width: 100%;
}

<!DOCTYPE html>
<html>
<head>
<style>
table, th, td {
  border: 1px solid;
}

table {
  width: 100%;
}
</style>
</head>
<body>

<h2>Full-width Table</h2>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
  </tr>
</table>

</body>
</html>

Double Borders

Notice that the table in the examples above have double borders. This is because both the table and the <th> and <td> elements have separate borders.

To remove double borders, take a look at the example below.

Collapse Table Borders

The border-collapse property sets whether the table borders should be collapsed into a single border:

Example

table {
border-collapse: collapse;
}

<!DOCTYPE html>
<html>
<head>
<style>
table, td, th {
  border: 1px solid;
}

table {
  width: 100%;
  border-collapse: collapse;
}
</style>
</head>
<body>

<h2>Let the table borders collapse</h2>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
  </tr>
</table>

</body>
</html>

If you only want a border around the table, only specify the border property for <table>:

Example

table {
border: 1px solid;
}

<!DOCTYPE html>
<html>
<head>
<style>
table {
  width: 100%;
  border: 1px solid;
}
</style>
</head>
<body>
    <th>Firstname</th>
    <th>Lastname</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
  </tr>
</table>

</body>
</html>

<h2>Single Border Around The Table</h2>

<table>
  <tr>

CSS Table Size

Table Width and Height

The width and height of a table are defined by the width and height properties.

The example below sets the width of the table to 100%, and the height of the <th> elements to 70px:

Example

table {
width: 100%;
}

th {
height: 70px;
}

<!DOCTYPE html>
<html>
<head>
<style>
table, td, th {
  border: 1px solid black;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th {
  height: 70px;
}
</style>
</head>
<body>

<h2>The width and height Properties</h2>

<p>Set the width of the table, and the height of the table header row:</p>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
    <td>$100</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
    <td>$150</td>
  </tr>
  <tr>
    <td>Joe</td>
    <td>Swanson</td>
    <td>$300</td>
  </tr>
  <tr>
    <td>Cleveland</td>
    <td>Brown</td>
    <td>$250</td>
  </tr>
</table>

</body>
</html>

To create a table that should only span half the page, use width: 50%:

Example

table {
width: 50%;
}

<!DOCTYPE html>
<html>
<head>
<style>
table, td, th {
  border: 1px solid black;
}

table {
  border-collapse: collapse;
  width: 50%;
}
</style>
</head>
<body>

<h2>A table that only span half the page</h2>

<p>Set the width of the table to 50%:</p>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
    <td>$100</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
    <td>$150</td>
  </tr>
  <tr>
    <td>Joe</td>
    <td>Swanson</td>
    <td>$300</td>
  </tr>
  <tr>
    <td>Cleveland</td>
    <td>Brown</td>
    <td>$250</td>
  </tr>
</table>

</body>
</html>

CSS Table Alignment

Horizontal Alignment

The text-align property sets the horizontal alignment (like left, right, or center) of the content in <th> or <td>.

By default, the content of <th> elements are center-aligned and the content of <td> elements are left-aligned.

To center-align the content of <td> elements as well, use text-align: center:

Example

td {
text-align: center;
}

<!DOCTYPE html>
<html>
<head>
<style>
table, td, th {
  border: 1px solid black;
}

table {
  border-collapse: collapse;
  width: 100%;
}

td {
  text-align: center;
}
</style>
</head>
<body>

<h2>The text-align Property</h2>

<p>This property sets the horizontal alignment (like left, right, or center) of the content in th or td.</p>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
    <td>$100</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
    <td>$150</td>
  </tr>
  <tr>
    <td>Joe</td>
    <td>Swanson</td>
    <td>$300</td>
  </tr>
  <tr>
    <td>Cleveland</td>
    <td>Brown</td>
    <td>$250</td>
  </tr>
</table>

</body>
</html>

To left-align the content, force the alignment of <th> elements to be left-aligned, with the text-align: left property:

Example

th {
text-align: left;
}

<!DOCTYPE html>
<html>
<head>
<style>
table, td, th {
  border: 1px solid black;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th {
  text-align: left;
}
</style>
</head>
<body>

<h2>The text-align Property</h2>

<p>This property sets the horizontal alignment (like left, right, or center) of the content in th or td.</p>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
    <td>$100</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
    <td>$150</td>
  </tr>
  <tr>
    <td>Joe</td>
    <td>Swanson</td>
    <td>$300</td>
  </tr>
  <tr>
    <td>Cleveland</td>
    <td>Brown</td>
    <td>$250</td>
  </tr>
</table>

</body>
</html>

Vertical Alignment

The vertical-align property sets the vertical alignment (like top, bottom, or middle) of the content in <th> or <td>.

By default, the vertical alignment of the content in a table is middle (for both <th> and <td> elements).

The following example sets the vertical text alignment to bottom for <td> elements:

Example

td {
height: 50px;
vertical-align: bottom;
}

<!DOCTYPE html>
<html>
<head>
<style>
table, td, th {
  border: 1px solid black;
}

table {
  border-collapse: collapse;
  width: 100%;
}

td {
  height: 50px;
  vertical-align: bottom;
}
</style>
</head>
<body>

<h2>The vertical-align Property</h2>

<p>This property sets the vertical alignment (like top, bottom, or middle) of the content in th or td.</p>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
    <td>$100</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
    <td>$150</td>
  </tr>
  <tr>
    <td>Joe</td>
    <td>Swanson</td>
    <td>$300</td>
  </tr>
  <tr>
    <td>Cleveland</td>
    <td>Brown</td>
    <td>$250</td>
  </tr>
</table>

</body>
</html>

CSS Table Style

Table Padding

To control the space between the border and the content in a table, use the padding property on <td> and <th> elements:

Example

th, td {
padding: 15px;
text-align: left;
}

<!DOCTYPE html>
<html>
<head>
<style>
table, td, th {  
  border: 1px solid #ddd;
  text-align: left;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  padding: 15px;
}
</style>
</head>
<body>

<h2>The padding Property</h2>

<p>This property adds space between the border and the content in a table.</p>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
    <td>$100</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
    <td>$150</td>
  </tr>
  <tr>
    <td>Joe</td>
    <td>Swanson</td>
    <td>$300</td>
  </tr>
  <tr>
    <td>Cleveland</td>
    <td>Brown</td>
    <td>$250</td>
  </tr>
</table>

</body>
</html>

Horizontal Dividers

Add the border-bottom property to <th> and <td> for horizontal dividers:

Example

th, td {
border-bottom: 1px solid #ddd;
}

<!DOCTYPE html>
<html>
<head>
<style>
table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  padding: 8px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}
</style>
</head>
<body>

<h2>Bordered Table Dividers</h2>
<p>Add the border-bottom property to th and td for horizontal dividers:</p>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
  <th>Savings</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
    <td>$100</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
    <td>$150</td>
  </tr>
  <tr>
    <td>Joe</td>
    <td>Swanson</td>
    <td>$300</td>
  </tr>
  <tr>
    <td>Cleveland</td>
    <td>Brown</td>
    <td>$250</td>
  </tr>
</table>

</body>
</html>

Hoverable Table

Use the :hover selector on <tr> to highlight table rows on mouse over:

Example

tr:hover {background-color: coral;}

<!DOCTYPE html>
<html>
<head>
<style>
table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  padding: 8px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

tr:hover {background-color: coral;}
</style>
</head>
<body>

<h2>Hoverable Table</h2>

<p>Move the mouse over the table rows to see the effect.</p>

<table>
  <tr>
    <th>First Name</th>
    <th>Last Name</th>
    <th>Points</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
    <td>$100</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
    <td>$150</td>
  </tr>
  <tr>
    <td>Joe</td>
    <td>Swanson</td>
    <td>$300</td>
  </tr>
  <tr>
    <td>Cleveland</td>
    <td>Brown</td>
    <td>$250</td>
  </tr>
</table>

</body>
</html>

Striped Tables

For zebra-striped tables, use the nth-child() selector and add a background-color to all even (or odd) table rows:

Example

tr:nth-child(even) {background-color: #f2f2f2;}

<!DOCTYPE html>
<html>
<head>
<style>
table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  text-align: left;
  padding: 8px;
}

tr:nth-child(even) {background-color: #f2f2f2;}
</style>
</head>
<body>

<h2>Striped Table</h2>

<p>For zebra-striped tables, use the nth-child() selector and add a background-color to all even (or odd) table rows:</p>

<table>
  <tr>
  <th>First Name</th>
  <th>Last Name</th>
  <th>Points</th>
  </tr>
  <tr>
  <td>Peter</td>
  <td>Griffin</td>
  <td>$100</td>
  </tr>
  <tr>
  <td>Lois</td>
  <td>Griffin</td>
  <td>$150</td>
  </tr>
  <tr>
  <td>Joe</td>
  <td>Swanson</td>
  <td>$300</td>
  </tr>
  <tr>
  <td>Cleveland</td>
  <td>Brown</td>
  <td>$250</td>
  </tr>
</table>

</body>
</html>

Table Color

The example below specifies the background color and text color of <th> elements:

Example

th {
background-color: #04AA6D;
color: white;
}

<!DOCTYPE html>
<html>
<head>
<style>
table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  text-align: left;
  padding: 8px;
}

tr:nth-child(even){background-color: #f2f2f2}

th {
  background-color: #04AA6D;
  color: white;
}
</style>
</head>
<body>

<h2>Colored Table Header</h2>

<table>
  <tr>
    <th>Firstname</th>
    <th>Lastname</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td>Peter</td>
    <td>Griffin</td>
    <td>$100</td>
  </tr>
  <tr>
    <td>Lois</td>
    <td>Griffin</td>
    <td>$150</td>
  </tr>
  <tr>
    <td>Joe</td>
    <td>Swanson</td>
    <td>$300</td>
  </tr>
  <tr>
    <td>Cleveland</td>
    <td>Brown</td>
    <td>$250</td>
</tr>
</table>

</body>
</html>

CSS Responsive Table

Responsive Table

A responsive table will display a horizontal scroll bar if the screen is too small to display the full content:

Add a container element (like <div>) with overflow-x:auto around the <table> element to make it responsive:

Example

<div style="overflow-x:auto;">

<table>
... table content ...
</table>

</div>

<!DOCTYPE html>
<html>
<head>
<style>
table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  text-align: left;
  padding: 8px;
}

tr:nth-child(even) {background-color: #f2f2f2;}
</style>
</head>
<body>

<h2>Responsive Table</h2>
<p>A responsive table will display a horizontal scroll bar if the screen is too 
small to display the full content. Resize the browser window to see the effect:</p>
<p>To create a responsive table, add a container element (like div) with <strong>overflow-x:auto</strong> around the table element:</p>

<div style="overflow-x: auto;">
  <table>
    <tr>
      <th>First Name</th>
      <th>Last Name</th>
      <th>Points</th>
      <th>Points</th>
      <th>Points</th>
      <th>Points</th>
      <th>Points</th>
      <th>Points</th>
      <th>Points</th>
      <th>Points</th>
      <th>Points</th>
      <th>Points</th>
    </tr>
    <tr>
      <td>Jill</td>
      <td>Smith</td>
      <td>50</td>
      <td>50</td>
      <td>50</td>
      <td>50</td>
      <td>50</td>
      <td>50</td>
      <td>50</td>
      <td>50</td>
      <td>50</td>
      <td>50</td>
    </tr>
    <tr>
      <td>Eve</td>
      <td>Jackson</td>
      <td>94</td>
      <td>94</td>
      <td>94</td>
      <td>94</td>
      <td>94</td>
      <td>94</td>
      <td>94</td>
      <td>94</td>
      <td>94</td>
      <td>94</td>
    </tr>
    <tr>
      <td>Adam</td>
      <td>Johnson</td>
      <td>67</td>
      <td>67</td>
      <td>67</td>
      <td>67</td>
      <td>67</td>
      <td>67</td>
      <td>67</td>
      <td>67</td>
      <td>67</td>
      <td>67</td>
    </tr>
  </table>
</div>

</body>
</html>

Note: In OS X Lion (on Mac), scrollbars are hidden by default and only shown when being used (even though "overflow:scroll" is set).

More Examples

Make a fancy table
This example demonstrates how to create a fancy table.

Set the position of the table caption
This example demonstrates how to position the table caption.

CSS Table Properties

Property	Description
border	Sets all the border properties in one declaration
border-collapse	Specifies whether or not table borders should be collapsed
border-spacing	Specifies the distance between the borders of adjacent cells
caption-side	Specifies the placement of a table caption
empty-cells	Specifies whether or not to display borders and background on empty cells in a table
table-layout	Sets the layout algorithm to be used for a table

标签：Tables,Griffin,collapse,width,th,table,border,CSS,css25
From： https://www.cnblogs.com/emanlee/p/18225630

css25 CSS Tables

CSS Tables

Table Borders

Example

Full-Width Table

Example

Double Borders

Collapse Table Borders

Example

Example

CSS Table Size

Table Width and Height

Example

Example

CSS Table Alignment

Horizontal Alignment

Example

Example

Vertical Alignment

Example

CSS Table Style

Table Padding

Example

Horizontal Dividers

Example

Hoverable Table

Example

Striped Tables

Example

Table Color

Example

CSS Responsive Table

Responsive Table

Example

More Examples

CSS Table Properties

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