<div class="wrap center"> <!-- Just to center ver and hor -->
  <div class="wrap-label">
     <label for="name">Your Name</label>
     <p class="iconicfill-pen-alt2"></p>
  </div>
  <input type="text" id="name" >
</div>
@import url(http://weloveiconfonts.com/api/?family=iconicfill);
@import url(https://fonts.googleapis.com/css?family=Arvo);
/* iconicfill */
[class*="iconicfill-"]:before {
  font-family: 'IconicFill', sans-serif;
}

body,html{width:100%;height:100%;}
body{font-family:'Arvo'; background: #4f3b5b;background: -moz-radial-gradient(center, ellipse cover,  #4f3b5b 0%, #231733 100%);background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%,#4f3b5b), color-stop(100%,#231733));background: -webkit-radial-gradient(center, ellipse cover,  #4f3b5b 0%,#231733 100%);background: -o-radial-gradient(center, ellipse cover,  #4f3b5b 0%,#231733 100%);background: -ms-radial-gradient(center, ellipse cover,  #4f3b5b 0%,#231733 100%);background: radial-gradient(ellipse at center,  #4f3b5b 0%,#231733 100%);}

.wrap{width:300px;}
.center{
 top:50%;
 transform:translateY(-50%);
 position:relative;
 margin:auto;}

input{
  display:block;
    width: 300px;
    padding: 15px 0 15px 12px;
    font-family: "Arvo";
    font-weight: 400;
    color: #377D6A;
    background: rgba(0,0,0,0.3);
    border: none;
    outline: none;
    color: #fff;
    text-shadow: 1px 1px 1px rgba(0,0,0,0.3);
    border: 1px solid rgba(0,0,0,0.3);
    border-radius: 4px;
    box-shadow: inset 0 -5px 45px rgba(100,100,100,0.2), 0 1px  1px rgba(255,255,255,0.2);
    text-indent: 60px;
    transition: all .3s ease-in-out;
    position: relative;
    font-size: 13px;
}
input:focus{
    text-indent: 12px;
    box-shadow: inset 0 -5px 45px rgba(100,100,100,0.4), 0 1px 1px rgba(255,255,255,0.2);
}

label{
    display: block;
    position: static;
    margin: 0;
    padding: 0;
    color:#fff;
    font-family: 'Arvo';
    font-size: 16px;
}

.wrap-label{
  width: 300px;
  height: 34px;
  position: relative;
  padding: 0;
  margin: 0;
  bottom: -15px;
  overflow: hidden;}

.iconicfill-pen-alt2{
    position: absolute;
    left: 10px;
    color: #fff;
    font-size:19px;
    opacity: 1;
    top: 0;
    transform:translateX(-100px);
}

/* ==== Pen animation ==== */
.move-pen{animation: move-pen 1s ease-in infinite alternate;}
@keyframes move-pen{
    from{transform:translateX(-4px) rotate(6deg);}
    to{transform:translateX(4px) rotate(-3deg);}
}
  // jquery transit is used to handle the animation
   $('input').focusin(function() {
        $('label').transition({x:'80px'},500,'ease').next()
        .transition({x:'5px'},500, 'ease');
//setTimeout needed for Chrome, for some reson there is no animation from left to right, the pen is immediately present. Slight delay to adding the animation class fixes it
         setTimeout(function(){
		    $('label').next().addClass('move-pen');
	      },100);
		
		});
		  
		  $('input').focusout(function() {
          $('label').transition({x:'0px'},500,'ease').next()
           .transition({x:'-100px'},500, 'ease').removeClass('move-pen');
		  });

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js
  2. https://cdnjs.cloudflare.com/ajax/libs/jquery.transit/0.9.9/jquery.transit.min.js