4 space in html code example

Example 1: html space

<!-- Create space in HTMl -->
&nbsp;

<!-- Example: -->
<p> Hello &nbsp; World! </p>

Example 2: tab space in html

<p style="text-indent :5em;" > </p>

Example 3: adding space tab in html

<d style="padding-left:1em;" > </d>

Example 4: space html

php 
echo " ";

html