Add placeholder.css to the sites main css file.
Important warning: this syntax is non-standard, thus all the vendor prefixes. It doesn't appear in the spec at all.
Supported styles:
font properties
color
background properties
word-spacing
letter-spacing
text-decoration
vertical-align
text-transform
line-height
text-indent
opacity
::-webkit-input-placeholder
{
/* Chrome/Opera/Safari */
color: pink;
}
::-moz-placeholder
{
/* Firefox 19+ */
color: pink;
}
:-ms-input-placeholder
{
/* IE 10+ */
color: pink;
}
:-moz-placeholder
{
/* Firefox 18- */
color: pink;
}
/* Example */
input[type="email"]::webkit-input-placeholder {
color: orange;
}