1. HTML <table> width Attribute

The width attribute specifies the width of a table.

If the width attribute is not set, a table takes up the space it needs to display the table data.

Example:

<table width="400">
  <tr>
    <th>Month</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td>January</td>
    <td>$100</td>
  </tr>
  <tr>
    <td>February</td>
    <td>$80</td>
  </tr>
</table>

Note :

The width attribute of <table> is not supported in HTML5. Use CSS instead.

CSS syntax: <table style="width:400px">

2. HTML <td>or <tr> height Attribute

The height attribute specifies the height of a cell.

Normally, a cell takes up the space it needs to display the content.

The height attribute is used to set a predefined height of a cell.

Example:

<table>
  <tr>
    <th>Month</th>
    <th>Savings</th>
  </tr>
  <tr>
    <td height="100">January</td>
    <td height="100">$100</td>
  </tr>
  <tr>
    <td>February</td>
    <td>$80</td>
  </tr>
</table>

Attribute Values

Value	Description
pixels	Sets the height in pixels (example: height="50")
%	Sets the height in percent of the surrounding element (example: height="50%")

Note :

The height attribute of <table> is not supported in HTML5. Use CSS instead.

CSS syntax: <table style="height:400px">

3. HTML <table> margin Attribute

The CSS `margin` properties are used to create space around elements, outside of any defined borders.

All CSS Margin Properties

Property	Description
margin	A shorthand property for setting the margin properties in one declaration
margin-bottom	Sets the bottom margin of an element
margin-left	Sets the left margin of an element
margin-right	Sets the right margin of an element
margin-top	Sets the top margin of an element

Example:

margin-top: 100px;
    margin-bottom: 100px;
    margin-right: 150px;
    margin-left: 80px;

or

margin: 25px 50px 75px 100px;

top margin is 25px
right margin is 50px
bottom margin is 75px
left margin is 100px

4. CSS text-align Property

The text-align property specifies the horizontal alignment of text in an element.

Value	Description
left	Aligns the text to the left
right	Aligns the text to the right
center	Centers the text
justify	Stretches the lines so that each line has equal width (like in newspapers and magazines)

5.CSS border-collapse Property:

The border-collapse property sets whether table borders should collapse into a single border or be separated as in standard HTML.

border-collapse: collapse;