JSFiddle - React, Tailwind, and code Playground

HTML

<p>Twitter Link</p>
                <input type="text" placeholder="http://twitter.com" />

                <p>Google+ Link</p>
                <input type="text" placeholder="Jimbo George" />

CSS

::-webkit-input-placeholder { /* WebKit browsers */
    color:    #000;
}
:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
   color:    #000;
   opacity:  1;
}
::-moz-placeholder { /* Mozilla Firefox 19+ */
   color:    #000;
   opacity:  1;
}
:-ms-input-placeholder { /* Internet Explorer 10+ */
   color:    #000;
}