I have the following markup:
Title
Title
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You have wrong, ctr doesn't exist, and you need to tell with > to select the first element level in your page selector try this:
.ctr-1 > h3:first-child{ display:none; }
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They are both technically the first-child.
In your example, you could do:
.ctr-1 > h3:first-child { display:none; }
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This is what the first-of-type and nth-of-type selectors are for.
For example:
.ctr-1 h3:first-of-type { display:none; }
/* - Or - */
.ctr-1 h3:nth-of-type(0) { display:none; }
This would hide the first h3 descendant of .ctr-1, regardless of its location inside the parent element.
Granted, in your specific example, the h3 is indeed also the immediate (>) and first (:first-child) descendant of .ctr-1 . But if this is a coincidence, you might not be able rely on it. In that case, nth-of-type is the way to go.
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Like this:
.ctr-1 > h3:first-child {
display:none;
}
jsFiddle here
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You can use:
.ctr-1 > h3 { display: none; }
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