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repetitive selectors
Am trying to understand a .css provided by MacroMedia Contribute for a template page.
Page: http:www.prestoweb.ca/cont
Css: http:www.prestoweb.ca/cont
Selectors are repeated in the css in this manner:
td {
font-family: Arial, Helvetica, sans-serif;
font-size: 12px;
padding-left:20px; padding-right:20px;
}
td th {
font-family: Arial, Helvetica, sans-serif;
font-size: 12px;
background-color:#999966;
color: #ffffff;
padding-left:10px; padding-top:2px; padding-bottom:1px;
}
td td {
font-family: Arial, Helvetica, sans-serif;
font-size: 12px;
padding-left:5px;
}
What is the use of the
td td
td th
combinations of selectors ?
Thanks for helping.
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Answers
<!-- Affect all <TD> tags -->
TD{
}
<!-- Affect all tags with class="Classname" -->
.Classname{
}
<!-- Affect all <TD class="Classname"> tags -->
TD.Classname{
}
<!--
Affect all <TD> tags, second level and beyond.
See doward's solution
-->
TD TD{
}
<!--
Affect all <TD> tags under <TD class="Classname"> tags
-->
TD.Classname TD{
}
<!-- Error -->
TD.Classname.TD{
}
<!-- Affect all <TD> and <INPUT> tags -->
TD, INPUT{
}
<!--
Affect all <TD class="Classname"> tags and <INPUT> tags
nested in TD tags
-->
TD.Classname, TD INPUT{
}
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by: dorwardPosted on 2003-02-22 at 10:44:52ID: 7999526
td td means "A <td> element that is a decendant of another <td> element".
e.g.
<table>
<tr>
<td> <!-- Does not match -->
<table>
<tr>
<td> <!-- match -->
<table>
<tr>
<td> <!-- match -->
td th is the same, except it matches a <th> inside a <td>.