Could anyone clarify a discrepancy in the material provided here: w3schools.com code example
According to the code :
th,td
{
padding:5px;
}
Also, based on their explanation here: http://www.w3schools.com/cssref/pr_padding.asp
The explanation states that padding:10px means all four paddings are 10px
However, why does the live code show 20-22px from the left and right for TH elements?
Tables adjust in size based on their width. So, if the table tag is given a style="width:300px" attribute, the table expands and the columns become wider. Removing the attribute causes the table to shrink back, resulting in columns without any additional width. The perceived padding is actually just the additional width of the th and td elements.
For a more reliable resource, I suggest using MDN or something similar. W3schools has led me astray in the past while I was learning. Often, w3schools explanations are lacking, making it easy to overlook inline styles like width.
When it comes to padding all sides, using one number suffices.
padding: 10px;
This translates to
padding: 10px 10px 10px 10px;
where the order is top, right, bottom, left - in a clockwise direction.
Alternatively...
padding 10px 10px;
which combines top and bottom, and left and right...
It's important to remember that browsers apply default styles that can include padding, margin, etc. to certain elements.
The reason for this issue is the table's width setting, which affects the cell width, particularly the TH elements in this case. Despite having a padding of 5px, the cells expand due to the predefined width.
However, if you want the cell widths to be evenly distributed when the table has an inline width style, you can achieve this by setting the width of each cell to 100px, based on the table's width of 300px divided by the 3 columns length.
table {
table-layout: fixed;
}
This method ensures that the columns have equal width.
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