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some parent CSS ignored from child

some parent CSS ignored from child

(OP)
parent page
#divmotto{
font-size:100%;
font-style:italic;
font-weight:bold;
float:center;
width:100%;
text-align:center;
background-color:#E4521E;
padding:0%;
clear:both;
color:#DCED8F;
margin:0%;
border:0%;
}
<div id="divmotto">my motto</div>
//page shows motto in centre of row across page
var usedLater = document.getElementById("divmotto").scrollHeight;
document.getElementById("divmotto").style.display = "none";
//then link to child page in iframe

child page
parent.document.getElementById("divmotto").style.display = "inline";
parent.document.getElementById("divmotto").style.visibility = "visible";
//motto shows text on left, width only sufficient for text, but font and colours okay.
//width:100%;text-align:center; properties seemingly ignored, all browsers.
How can I get width:100%; and text-align:center; correct ?
Thanks.

RE: some parent CSS ignored from child

there is no such thing as float: center;

And you cannot centre an element that is 100% wide.

To horizontally center a block element in it's parent, the child has to have a width of less than 100% and it's left and right margins set to auto.

display: inline; makes a block element behave as an inline element would ie. it is only as wide as it's content plus left and right padding, so text-align center; has no visible effect.

Chris.

Indifference will be the downfall of mankind, but who cares?
Time flies like an arrow, however, fruit flies like a banana.
Webmaster Forum

RE: some parent CSS ignored from child

Also, pages in iframes are not affected by the parent page's CSS since they complete pages they have their own structure and CSS to go with it.

----------------------------------
Phil AKA Vacunita
----------------------------------
Ignorance is not necessarily Bliss, case in point:
Unknown has caused an Unknown Error on Unknown and must be shutdown to prevent damage to Unknown.

Web & Tech

RE: some parent CSS ignored from child

(OP)
Chris, thanks for your help, okay now with parent.document.getElementById("divmotto").style.display = "block";

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