<div class="card">
  <div class="header">
    <h2>Drop us a line...</h2>
    <p>Drop us a message and we will contact you back shortly</p>
   <svg version="1.1" id="Layer"  xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
	 viewBox="0 0 113 120" xml:space="preserve" preserveAspectRatio="none">
<style type="text/css">
	.st0{fill:  #fff; stroke: rgba(0,0,0,0.2); stroke-width: 2px;}
</style>
<g>
	<path class="st0" d="M93.8,87.4c16.7-28.2,23.9-51,11.5-70.9C100.1,8.2,92.4,4.3,84,2.7c6.1,12.9,6.3,28.3-0.4,41.7
		c5,2.6,8.3,7.9,8.3,13.9c0,8.7-7,15.7-15.7,15.7c-4.3,0-8.2-1.7-11.1-4.6l-19,14.8c0.7,1.4,0.4,3.1-0.9,4.1l-4,3.1
		c-1.4,1.1-3.5,0.8-4.5-0.6l-0.1-0.1c-1.1-1.4-0.8-3.5,0.6-4.5l4-3.1c1.3-1,3-0.9,4.2,0.2l18.9-14.8c-2.4-2.8-3.8-6.4-3.8-10.3
		c0-8.7,7-15.7,15.7-15.7c0.5,0,1,0,1.5,0.1c6.9-13.1,6.2-28.5-1-40.7c-10-0.5-20.3,1.2-28.4,2.2C31,6.2,26.8,1,26.8,1
		c-3.8,11.5,5.9,17,5.9,17s1.7-0.8-2.4,4.2c-4.1,5.1-5.2,15.6-5.8,18.4c-0.6,2.8,1.6,2.7,2.3,5.8c0.7,3.1-9.2,16.4-10.2,19.7
		c-1,3.3,8.1,6.9,8.1,6.9l-1.4,4.5c0.7,2.5,13.9,2,13.9,2c-2.8,4.2-10.5,3.7-10.5,3.7l-2.3,1.6c0,0,1.3,1.7,2.4,2.7
		c1.1,1,1.1,6.2,1.1,6.2c-1.3,8.6,1,10.3,5.9,12.5s12.6-3.1,12.6-2.1c0,1-0.1,19.8-0.1,19.8c29.7,14.6,51.4-6.4,51.4-6.4
		C95,109.8,93.8,87.4,93.8,87.4z"/>
</g>
</svg>


  </div>
  <form class="form-wrap" id="md-form" autocomplete="off" method="get">
    <div class="input-wrap">

      <i class="material-icons">person</i>
      <label for="a">Name</label>
      <input class="input" type="text" id="a" placeholder="First and Last name" value="" />

    </div>

    <div class="input-wrap">
      <i class="material-icons">email</i>
      <label for="b">E-mail</label>
      <input class="input" type="email" id="b" placeholder="email@mail.com" value="" />

    </div>


    <div class="input-wrap">
      <i class="material-icons">mic</i>
      <label for="c">Message</label>
      <textarea class="input" id="c" placeholder="Write what you feel" /></textarea>
    </div>

    <div class="input-wrap">
      <input type="checkbox" id="d">
      <label for="d">You agree on our terms and conditions</label>
    </div>

    <div class="input-wrap">
      <button id="confirm" type="submit">Submit</button>
    </div>

  </form>

  <div class="ending">
    <div>
      <i class="material-icons">check</i>
    </div>

    <div>
      <h2>Your Message has been sent successfuly</h2>
    </div>

  </div>
  <!-- end of ending -->

</div>
<!-- end of Card -->
::-webkit-input-placeholder {
  text-align: right;
  font-style: italic;
  color: #ff4081;
  font-size: 13px;
}

::-moz-placeholder {
  text-align: right;
  font-style: italic;
  color: #ff4081;
  font-size: 13px;
}

body {
  margin: 0;
  font-size: 16px;
  font-family: 'Roboto', sans-serif;
  color: #454545;
  background: #374046;
}

svg {
  width: 110px;
  height: 120px;
  float: right;
  margin-top: -55px;
}

h1,
h2,
h3 {
  margin: 0;
}

button::-moz-focus-inner {
  border: 0;
}

button {
  background: #ff4081;
  border: none;
  border-radius: 2px;
  color: #fff;
  height: 36px;
  padding: 0px 15px;
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  text-align: center;
  line-height: 36px;
  vertical-align: middle;
  font-family: 'Roboto', sans-serif;
}

button i {
  color: #fff;
}

button[disabled] {
  background: #ddd;
  color: #757575;
}

i.material-icons {
  font-size: 18px;
}

.input:focus {
  outline-width: 0px;
}

.input:invalid {
  box-shadow: none;
}

.card {
  border-radius: 4px;
  margin: 20px auto;
  padding: 0 0 20px;
  background: #fff;
  box-shadow: 0px 2px 2px 0px rgba(0, 0, 0, 0.14), 0px 3px 1px -2px rgba(0, 0, 0, 0.2), 0px 1px 5px 0px rgba(0, 0, 0, 0.12);
  width: 360px;
  overflow: hidden;
}

.card.end {
  padding-bottom: 0;
}

.card.end form {
  display: none;
}

.header {
  height: 150px;
  background-image: linear-gradient(180deg, #FF7D78, #673AB7);
  background-size: 100% 100%;
  margin-bottom: px;
  color: #fff;
  padding: 10px 15px;
  overflow: hidden;
}

.header h2 {
  font-size: 28px;
  font-weight: 300;
}

.header p {
  padding-right: 80px;
}
/* Form styling */

form {
  padding: 0 15px;
}

.input {
  border-width: 0 0 1px 0;
  border-color: #ccc;
  border-style: solid;
  width: 100%;
  padding: 10px 5px 10px 0;
  font-family: 'Roboto', sans-serif;
  font-size: 14px;
}

.input-wrap {
  position: relative;
  margin: 20px auto 0;
}

.input-wrap:first-child {
  margin-top: 0;
}

label {
  top: 25px;
  position: absolute;
  left: 35px;
  transition: all 0.8s ease-in-out;
  color: #ccc;
}

i {
  position: relative;
  left: 0px;
  top: 25px;
  transition: all 0.8s ease-in-out;
  color: #757575;
}

button i {
  top: 0;
  margin-right: 15px;
}

i.active {
  top: 10px;
  width: 100%;
  height: 100%;
  color: #673AB7;
  transition: all 0.8s;
}

label.active {
  top: 10px;
  transition: all 0.8s;
  color: #FF4081;
}

i.invalid,
label.active.invalid {
  color: #F44336;
}

.active textarea,
.not textarea {
  border-bottom: none;
}

.input-wrap:before {
  content: ' ';
  position: absolute;
  font-size: 16px;
  right: 0;
  width: 20px;
  height: 20px;
  -webkit-padding-before: 4px;
  -webkit-padding-end: 3px;
  -webkit-padding-after: 2px;
  -webkit-padding-start: 4px;
  text-align: center;
  top: 20px;
  background-color: transparent;
  border-radius: 50%;
  color: #fff;
  font-family: "Material Icons";
  transform: scale(0) rotate(90deg);
  transform-origin: center;
  transition: all 0.4s;
}

.input-wrap.valid:before {
  content: '\e5ca';
  background-color: #4CAF50;
  transform: scale(1) rotate(0deg);
  transition: all 0.8s;
}

.input-wrap.invalid:before {
  content: '\e14c';
  background-color: #F44336;
  transform: scale(1) rotate(0deg);
  transition: all 0.8s;
}

.input-wrap.active:after,
.input-wrap.not.active:after {
  border-bottom: 2px solid #FF4081;
  bottom: 0;
  left: 0;
  content: "";
  height: 0;
  position: absolute;
  width: 101%;
  animation-name: bord;
  animation-fill-mode: forwards;
  animation-duration: 0.8s;
  animation-timing-function: ease;
}

.input-wrap.not:after {
  border-bottom: 2px solid #ff4081;
  bottom: 0;
  left: 0;
  content: "";
  height: 0;
  position: absolute;
  width: 100%;
  animation-name: bords;
  animation-fill-mode: forwards;
  animation-duration: 0.8s;
  animation-timing-function: ease;
}

.input-wrap.active.invalid:after {
  border-bottom: 2px solid #F44336;
  bottom: 0;
  left: 0;
  content: "";
  height: 0;
  position: absolute;
  width: 100%;
  animation-name: bord;
  animation-fill-mode: forwards;
  animation-duration: 0.8s;
  animation-timing-function: ease;
}

input[type="checkbox"] {
  text-indent: -9999px;
  vertical-align: text-top;
}

[type="checkbox"] + label:before,
[type="checkbox"] + label:after {
  content: '';
  left: 0;
  position: absolute;
  z-index: 1;
}

[type="checkbox"]:not(:checked) + label:before {
  width: 0;
  height: 0;
  border: 3px solid transparent;
  left: 3px;
  top: 0px;
  transform: scale(0);
  transform-origin: 100% 100%;
  transition: all 0.8s;
}

[type="checkbox"]:not(:checked) + label:after {
  height: 12px;
  width: 12px;
  background-color: #fff;
  border: 1px solid #aaa;
  top: 3px;
  left: 4px;
  transition: all 0.8s;
  z-index: 0;
}

[type="checkbox"]:checked + label:before {
  content: '\e876';
  top: 0px;
  left: 3px;
  font-size: 16px;
  color: #fff;
  font-family: "Material Icons";
  transform: scale(1);
  transition: all 0.8s;
}

[type="checkbox"]:checked + label:after {
  top: 3px;
  left: 4px;
  width: 12px;
  height: 12px;
  border: 1px solid #ff4081;
  background-color: #ff4081;
  transition: all 0.8s;
  z-index: 0;
}

input[type="checkbox"] + label {
  position: static;
  font-size: 12px;
  color: #757575;
  font-weight: 500;
}
/* End styles */

.card .ending {
  visibility: hidden;
  display: flex;
  height: 0;
  transition: visibility 0.8s linear;
}

.card.end .ending {
  height: 100%;
  min-height: 64px;
  visibility: visible;
  transition: visibility 0.8s linear;
}

.ending div:first-child {
  width: 0;
}

.end .ending div:first-child {
  background: #673AB7;
  width: 85px;
  transition: all 0.8s linear;
}

.ending h2 {
  font-size: 20px;
  text-align: center;
  font-weight: 300;
  padding-top: 10px;
}

.ending i {
  transform: scale(0) rotate(360deg);
  left: 5px;
  transition: all 0.8s ease;
}

.ending.showed i {
  color: #fff;
  font-size: 60px;
  top: 0;
  transform: scale(1) rotate(0deg);
  transition: all 0.8s ease;
}

@keyframes bord {
  0% {
    width: 0%;
  }
  100% {
    width: 101%;
  }
}

@keyframes bords {
  0% {
    width: 100%;
  }
  100% {
    width: 0%;
  }
}

@keyframes opacity {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
$('.input').on("focus blur", function() {
  if ($(this).val().length > 0 || $('.input').is(':focus')) {
    $(this).siblings().addClass('active');
    $(this).parent().addClass('active');

  } else {
    $(this).siblings().removeClass('active').addClass('not');
    $(this).parent().removeClass('active').addClass('not');
  }

  if ($(this).val().length < 2 && $('.input').is(':focus') != true && $(this).is(':invalid') || $(this).is(':invalid') && $('.input').is(':focus') != true) {
    $(this).parent().addClass('invalid');
    $(this).siblings().addClass('invalid');
  } else {
    $(this).parent().removeClass('invalid');
    $(this).siblings().removeClass('invalid');
  }

  if ($(this).val().length > 0 && $(this).is(':valid') && $('.input').is(':focus') != true) {
    $(this).parent().addClass('valid');
    $(this).siblings().addClass('valid');
  } else {
    $(this).parent().removeClass('valid');
    $(this).siblings().removeClass('valid');
  }

});

$('#d').change(enableBtn);
$('.input').blur(enableBtn);

function enableBtn() {
  if ($('#d').is(':checked') == false || $('.input').parent('.input-wrap').hasClass('invalid') == true || $('.input').val().length < 2) {
    $("#confirm").prop("disabled", true);
  } else {
    $("#confirm").prop("disabled", false);
  }
}
enableBtn();

$('#confirm').click(function() {
  $('form').submit(function(event) {
    $('.card').addClass('end');
    $('.ending').addClass('showed');
    event.preventDefault();
  });
});

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. //cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js