<div id="wrapper">
  <div id="dialog">
    <button class="close">×</button>
    <h3>Please enter the 4-digit verification code we sent via SMS:</h3>
    <span>(we want to make sure it's you before we contact our movers)</span>
    <div id="form">
      <input type="text" maxLength="1" size="1" min="0" max="9" pattern="[0-9]{1}" />
      <input type="text" maxLength="1" size="1" min="0" max="9" pattern="[0-9]{1}" /><input type="text" maxLength="1" size="1" min="0" max="9" pattern="[0-9]{1}" /><input type="text" maxLength="1" size="1" min="0" max="9" pattern="[0-9]{1}" />
      <button class="btn btn-primary btn-embossed">Verify</button>
    </div>
    
    <div>
      Didn't receive the code?<br />
      <a href="#">Send code again</a><br />
      <a href="#">Change phone number</a>
    </div>
     <img src="http://jira.moovooz.com/secure/attachment/10424/VmVyaWZpY2F0aW9uLnN2Zw==" alt="test" />
  </div>
</div>

#wrapper {
  font-family: Lato;
  font-size: 1.5rem;
  text-align: center;
  box-sizing: border-box;
  color: #333;
  
  #dialog {
    border: solid 1px #ccc;
    margin: 10px auto;
    padding: 20px 30px;
    display: inline-block;
    box-shadow: 0 0 4px #ccc;
    background-color: #FAF8F8;
    overflow: hidden;
    position: relative;
    max-width: 450px;
    
    h3 {
      margin: 0 0 10px;
      padding: 0;
      line-height: 1.25;
    }
    
    span {
      font-size: 90%;
    }
    
    #form {
      max-width: 240px;
      margin: 25px auto 0;
      
      input {
        margin: 0 5px;
        text-align: center;
        line-height: 80px;
        font-size: 50px;
        border: solid 1px #ccc;
        box-shadow: 0 0 5px #ccc inset;
        outline: none;
        width: 20%;
        transition: all .2s ease-in-out;
        border-radius: 3px;
        
        &:focus {
          border-color: purple;
          box-shadow: 0 0 5px purple inset;
        }
        
        &::selection {
          background: transparent;
        }
      }
      
      button {
        margin:  30px 0 50px;
        width: 100%;
        padding: 6px;
        background-color: #B85FC6;
        border: none;
        text-transform: uppercase;
      }
    }
    
    button {
      &.close {
        border: solid 2px;
        border-radius: 30px;
        line-height: 19px;
        font-size: 120%;
        width: 22px;
        position: absolute;
        right: 5px;
        top: 5px;
      }           
    }
    
    div {
      position: relative;
      z-index: 1;
    }
    
    img {
      position: absolute;
      bottom: -70px;
      right: -63px;
    }
  }
}

$(function() {
  'use strict';

  var body = $('body');

  function goToNextInput(e) {
    var key = e.which,
      t = $(e.target),
      sib = t.next('input');

    if (key != 9 && (key < 48 || key > 57)) {
      e.preventDefault();
      return false;
    }

    if (key === 9) {
      return true;
    }

    if (!sib || !sib.length) {
      sib = body.find('input').eq(0);
    }
    sib.select().focus();
  }

  function onKeyDown(e) {
    var key = e.which;

    if (key === 9 || (key >= 48 && key <= 57)) {
      return true;
    }

    e.preventDefault();
    return false;
  }
  
  function onFocus(e) {
    $(e.target).select();
  }

  body.on('keyup', 'input', goToNextInput);
  body.on('keydown', 'input', onKeyDown);
  body.on('click', 'input', onFocus);

})