Overriding Placeholder Font CSS in All Browsers

overriding placeholder font css in all browsers

You need to make separate declarations for it to work in all browsers, otherwise a conflict will cause undesired results like this.

h1, h2, h3, h4, h5, h6,
button, input, select, textarea {
    font-family: somefont;
}
::-webkit-input-placeholder {
    font-family: somefont;
}
:-moz-placeholder {
    font-family: somefont;
}
::-moz-placeholder {
    font-family: somefont;
}
:-ms-input-placeholder {
    font-family: somefont;
}

How to solve placeholder CSS difference across different browsers?

I've made a little fiddle a while ago because of this weird pseudo-element, the result ? You can't add a coma between the selector, you have to specify your rule twice, that's a shame.

The HTML:

<input type="text" id="test-webkit" placeholder="test-webkit" /><br />
<input type="text" id="test-moz" placeholder="test-moz" /><br />
<input type="text" id="test-both" placeholder="test-both" /><br />
<input type="text" class="test-both" placeholder="test-both-separately" />​

The CSS:

/* Works on Webkit */
#test-webkit::-webkit-input-placeholder {
    color: red;
}

/* Works on Firefox */    
#test-moz:-moz-placeholder {
    color: red;
}

/* Don't work */
#test-both::-webkit-input-placeholder, #test-both:input:-moz-placeholder {
    color: red;
}

/* Works on both */
.test-both::-webkit-input-placeholder {
    color: red;
}
.test-both:-moz-placeholder {
    color: red;
}​

The Fiddle.

Placeholder font style is coming as different for textfield and textarea

You need to set them to the same font family in the CSS:

textarea,
input[type=text] {
    font-family:Arial;
}

How to override custom placeholder css

add a visible class

.visible::-webkit-input-placeholder{
 color:    #000 !important;
}

add the above class to the textarea's where you need to display placeholder

Placeholder CSS not being applied in IE 11

Further to what Raj answered, when using vendor prefixes the selectors need to be separated into their own rule sets for each prefix.

The reason for this is that to enable the CSS language to advance, browsers need to drop selectors or declarations they do not understand. This allows new features to be be added without the worry that old browsers will interpret it in a different way other than just dropping it.

When using the comma combinator to combine the various pseudo classes, you turn it into one selector, and the browser needs to understand the entire thing to apply that rule set.

Instead you should make a new rule set for each vendor prefixed pseudo class/element. Unfortunately it is a lot of repetition, but that is the price for using experimental CSS.

Changing an input's HTML5 placeholder color with CSS does not work on Chrome

You forget a :.
Because of that, the whole selector got corrupted and didn't work.
http://jsfiddle.net/a96f6/87/

Edit:
Seems like (after an update?) this doesn't work anymore, try this:

input::-webkit-input-placeholder{
    color:red;
}
input:-moz-placeholder {
    color:red;
}

Note: don't mix the vendor prefix selectors (-moz, -webkit, -ms, ...). Chrome for example won't understand "-moz-" and then ignores the whole selector.

Edit for clarification:
To make it work in all browsers, use this code:

::-webkit-input-placeholder {
    color:red;
}

::-moz-placeholder {
    color:red;
}

::-ms-placeholder {
    color:red;
}

::placeholder {
    color:red;
}

​

Change a HTML5 input's placeholder color with CSS

Implementation

There are three different implementations: pseudo-elements, pseudo-classes, and nothing.

• WebKit, Blink (Safari, Google Chrome, Opera 15+) and Microsoft Edge are using a pseudo-element: ::-webkit-input-placeholder. ^[Ref]
• Mozilla Firefox 4 to 18 is using a pseudo-class: :-moz-placeholder (one colon). ^[Ref]
• Mozilla Firefox 19+ is using a pseudo-element: ::-moz-placeholder, but the old selector will still work for a while. ^[Ref]
• Internet Explorer 10 and 11 are using a pseudo-class: :-ms-input-placeholder. ^[Ref]
• April 2017: Most modern browsers support the simple pseudo-element ::placeholder ^[Ref]

Internet Explorer 9 and lower does not support the placeholder attribute at all, while Opera 12 and lower do not support any CSS selector for placeholders.

The discussion about the best implementation is still going on. Note the pseudo-elements act like real elements in the Shadow DOM. A padding on an input will not get the same background color as the pseudo-element.

CSS selectors

User agents are required to ignore a rule with an unknown selector. See Selectors Level 3:

a group of selectors containing an invalid selector is invalid.

So we need separate rules for each browser. Otherwise the whole group would be ignored by all browsers.

::-webkit-input-placeholder { /* WebKit, Blink, Edge */
    color:    #909;
}
:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
   color:    #909;
   opacity:  1;
}
::-moz-placeholder { /* Mozilla Firefox 19+ */
   color:    #909;
   opacity:  1;
}
:-ms-input-placeholder { /* Internet Explorer 10-11 */
   color:    #909;
}
::-ms-input-placeholder { /* Microsoft Edge */
   color:    #909;
}

::placeholder { /* Most modern browsers support this now. */
   color:    #909;
}

<input placeholder="Stack Snippets are awesome!">

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