Login form shake effect

index.html

<div class="login-form">
     <h1>Vini</h1>
     <div class="form-group ">
       <input type="text" class="form-control" placeholder="Username " id="UserName">
       <i class="fa fa-user"></i>
     </div>
     <div class="form-group log-status">
       <input type="password" class="form-control" placeholder="Password" id="Passwod">
       <i class="fa fa-lock"></i>
     </div>
      <span class="alert">Invalid Credentials</span>
      <a class="link" href="#">Lost your password?</a>
     <button type="button" class="log-btn" >Log in</button>
     
    
   </div>

login-form-shake-effect.markdown

Login form shake effect

A Pen by Lei Xue on CodePen.

License.

script.js

  $(document).ready(function(){
        $('.log-btn').click(function(){
            $('.log-status').addClass('wrong-entry');
           $('.alert').fadeIn(500);
           setTimeout( "$('.alert').fadeOut(1500);",3000 );
        });
        $('.form-control').keypress(function(){
            $('.log-status').removeClass('wrong-entry');
        });

    });

scripts

<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>

style.scss

@import "compass/css3";
@import url(https://fonts.googleapis.com/css?family=Vibur);
*{
  box-sizing:border-box;
  -moz-box-sizing:border-box;
  -webkit-box-sizing:border-box;
  font-family:arial;
}
body{background:#FF9000;}
h1{
  color:#ccc;
  text-align:center;
  font-family: 'Vibur', cursive;
  font-size: 50px;
}

.login-form{
  width:350px;
  padding:40px 30px;
  background:#eee;
  @include border-radius(4px);
  margin:auto;
  position: absolute;
  left: 0;
  right: 0;
  top:50%;
  @include translateY(-50%);
}
.form-group{
  position: relative;
  margin-bottom:15px;
}
.form-control{
  width:100%;
  height:50px;
  border:none;
  padding:5px 7px 5px 15px;
  background:#fff;
  color:#666;
  border:2px solid #ddd;
  @include border-radius(4px);
    &:focus, &:focus + .fa{
      border-color:#10CE88;
      color:#10CE88;
    }
}
.form-group .fa{
  position: absolute;
  right:15px;
  top:17px;
  color:#999;
}
.log-status.wrong-entry {
 @include animation( wrong-log 0.3s);
}
.log-status.wrong-entry .form-control, .wrong-entry .form-control + .fa {
  border-color: #ed1c24;
  color: #ed1c24;
}
.log-btn{
  background:#0AC986;
  dispaly:inline-block;
  width:100%;
  font-size:16px;
  height:50px;
  color:#fff;
  text-decoration:none;
  border:none;
  @include border-radius(4px);
}

.link{
  text-decoration:none;
  color:#C6C6C6;
  float:right;
  font-size:12px;
  margin-bottom:15px;
  &:hover{
    text-decoration: underline;
    color:#8C918F;
  }
}
.alert{
  display:none;
  font-size:12px;
  color:#f00;
  float:left;
}
@include keyframes (wrong-log) {
  0%, 100% { left: 0px;}
  20% , 60%{left: 15px;}
  40% , 80%{left: -15px;}
}

styles

<link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet" />