CSS/HTML: Create a glowing border around an Input Field

Question

I want to create some decent inputs for my form, and I would really like to know how TWITTER does their glowing border around their inputs.

Example/Picture of the Tw

Answer 1

$('.form-fild input,.form-fild textarea').focus(function() {
    $(this).parent().addClass('open');
});

$('.form-fild input,.form-fild textarea').blur(function() {
    $(this).parent().removeClass('open');
});

.open {
  color:red;   
}
.form-fild {
	position: relative;
	margin: 30px 0;
}
.form-fild label {
	position: absolute;
	top: 5px;
	left: 10px;
	padding:5px;
}

.form-fild.open label {
	top: -25px;
	left: 10px;
	/*background: #ffffff;*/
}
.form-fild input[type="text"] {
	padding-left: 80px;
}
.form-fild textarea {
	padding-left: 80px;
}
.form-fild.open textarea, 
.form-fild.open input[type="text"] {
	padding-left: 10px;
}
textarea,
input[type="text"] {
	padding: 10px;
	width: 100%;
}
textarea,
input,
.form-fild.open label,
.form-fild label {
	-webkit-transition: all 0.2s ease-in-out;
       -moz-transition: all 0.2s ease-in-out;
         -o-transition: all 0.2s ease-in-out;
            transition: all 0.2s ease-in-out;
}

	

    	

        

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