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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

            
              <section id="contact-form">
  <h2>Contact</h2>
  <form id="contact" name="contact" accept-charset="utf-8">
    <label><span>Name</span><input name="name" type="text" placeholder="Name"/></label>
    <label><span>Email</span><input name="email" type="email" placeholder="Email"/></label>
    <label><span>Message</span><textarea name="message" placeholder="Message"></textarea></label>
    <input name="submit" type="submit" value="Send"/>
  </form>
  <aside>
    <p>Just hit Send on an empty form to see the invalid input animation</p>
    <p>Fill in the form fields to see the success animation (no real validation, any random input will do)</p>
  </aside>
</section>
            
          
!
            
              html {
  font: 300 100%/1.5 Ubuntu, sans-serif;
  color: #333;
  overflow-x: hidden;
}
h2 {
  margin: 0;
  color: #8495a5;
  font-size: 2.5em;
  font-weight: 300;
}
#contact-form {
  max-width: 1208px;
  max-width: 75.5rem;
  margin: 0 auto;
}
#contact, label, input[name="submit"] {
  position: relative;
}
label > span, input, textarea, button {
  box-sizing: border-box;
}
label {
  display: block;
}
label > span {
  display: none;
}
input, textarea, button {
  width: 100%;
  padding: 0.5em;
  border: none;
  font: 300 100%/1.2 Ubuntu, sans-serif;
}
input[type="text"], input[type="email"], textarea {
  margin: 0 0 1em;
  border: 1px solid #ccc;
  outline: none;
}
input.invalid, textarea.invalid {
  border-color: #d5144d;
}
textarea {
  height: 6em;
}
input[type="submit"], button {
  background: #a7cd80;
  color: #333;
}
input[type="submit"]:hover, button:hover {
  background: #91b36f;
}
@media screen and (min-width: 30em) {
  #contact-form h2 {
    margin-left: 26.3736%;
    font-size: 2em;
    line-height: 1.5;
  }
  label > span {
    vertical-align: top;
    display: inline-block;
    width: 26.3736%;
    padding: 0.5em;
    border: 1px solid transparent;
    text-align: right;
  }
  input, textarea, button {
    width: 73.6263%;
    line-height: 1.5;
  }
  textarea {
    height: 10em;
  }
  input[type="submit"], button {
    margin-left: 26.3736%;
  }
}
@media screen and (min-width: 48em) {
  #contact-form {
    text-align: justify;
    line-height: 0;
  }
  #contact-form:after {
    content: '';
    display: inline-block;
    width: 100%;
  }
  #contact-form h2 {
    margin-left: 17.2661%;
  }
  #contact-form form, #contact-form aside {
    vertical-align: top;
    display: inline-block;
    width: 65.4676%;
    text-align: left;
    line-height: 1.5;
  }
  #contact-form aside {
    width: 30.9353%;
  }
}
            
          
!
            
              var form = $('#contact'),
    submit = form.find('[name="submit"]');

form.on('submit', function(e) {
  e.preventDefault();
  
  // avoid spamming buttons
  if (submit.attr('value') !== 'Send')
    return;
  
  var valid = true;
  form.find('input, textarea').removeClass('invalid').each(function() {
    if (!this.value) {
      $(this).addClass('invalid');
      valid = false;
    }
  });
  
  if (!valid) {
    form.animate({left: '-3em'},  50)
        .animate({left:  '3em'}, 100)
        .animate({left:    '0'},  50);
  } else {
    submit.attr('value', 'Sending...')
          .css({boxShadow: '0 0 200em 200em rgba(225, 225, 225, 0.6)',
                backgroundColor: '#ccc'});
    // simulate AJAX response
    setTimeout(function() {
      // step 1: slide labels and inputs
      // when AJAX responds with success
      // no animation for AJAX failure yet
      form.find('label')
          .animate({left: '100%'}, 500)
          .animate({opacity: '0'}, 500);
    }, 1000);
    setTimeout(function() {
      // step 2: show thank you message after step 1
      submit.attr('value', 'Thank you :)')
            .css({boxShadow: 'none'});
    }, 2000);
    setTimeout(function() {
      // step 3: reset
      form.find('input, textarea').val('');
      form.find('label')
          .css({left: '0'})
          .animate({opacity: '1'}, 500);
      submit.attr('value', 'Send')
            .css({backgroundColor: ''});
    }, 4000);
  }
});
            
          
!
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