<div class="row mx-0 auth-wrapper">
  <!--remove bg-->
  <ul class="circles">
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
  </ul>
  <div class="d-none d-sm-flex col-sm-6 col-lg-8 align-items-center p-5">
    <div class="align-items-start d-lg-flex flex-column offset-lg-2 text-white">
      <img src="" class="mb-3">
      <h1 classname="d-flex">Hi 👋 Welcome Back Aji</h1>
      <p>Lorem ipsum is placeholder text commonly used in the graphic, print,
        and publishing industries <br> for previewing layouts and visual mockups</p>
    </div>
  </div>
  <div class="d-flex justify-content-center col-sm-6 col-lg-4 align-items-center px-5 bg-white mx-auto">
    <div class="form-wrapper">
      <div class="d-flex flex-column">
        <div class="mb-4">

          <h3 class="font-medium mb-1">Sign In </h3>
          <p class="mb-2">Please sign in to your account.</p>
        </div>
        <div class="mb-10">
          <div class="form-group">
            <label for="mail" class="">Email</label>
            <input name="email" type="text" class="form-control">
            </input>
          </div>
          <div class="form-group">
            <label for="password" class="">Password</label>
            <input name="password" type="password" class="form-control">
          </div>
          <div class="text-right"><a class="btn btn-link">
              Forgot Your Password?
            </a></div>
          <button type="submit" class="btn btn-primary btn-block mt-3 border-0">
            Sign In
          </button>
        </div>
        <div class="p-5 text-center text-xs">
          <span>
            Copyright © 2021-2022
            <a href="https://tailwindcomponents.com/u/aji" rel="" target="_blank" title="aji">ajimon</a></span>
        </div>
      </div>
    </div>
  </div>
</div>
a{color:#a600ff;} 
a:hover{color:#ff8585;} 
.auth-wrapper {
    height: 100vh;
    background-color: #ff8585; 
   background:linear-gradient(-45deg,#a600ff,#ff8585);
    background-attachment: fixed;
    background-size: cover;
    height: calc(var(--vh,1vh) * 100);
    }
.btn:hover {
  transition-timing-function: cubic-bezier(0.4, 0, 1, 1);
  transition-duration: 0.3s;
  outline: none;
  text-decoration: none;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 10%), 0 4px 6px -2px rgb(0 0 0 / 5%);
}
.btn-primary{
      background:linear-gradient(-45deg,#a600ff,#ff8585);
  transition: all .5s ease-out;
}
.btn-primary:hover{
      background:linear-gradient(-45deg,#ff8585,#a600ff);
}
.btn-primary:not(:disabled):not(.disabled).active, .btn-primary:not(:disabled):not(.disabled):active, .show>.btn-primary.dropdown-toggle {
  background-color: #ff8585;
  border-color: #a600ff;
}
.btn-primary.focus,
.btn-primary:focus {
  box-shadow: none;
}
.form-control:focus {
    border-color: #a600ff;
    box-shadow: 0 0 0 0.2rem rgba(166, 0, 255,0.25);
}
 .text-xs {
    font-size: .75rem;
    }
/*remove third party custom style*/
  .circles{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
  .circles li{
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    animation: animate 25s linear infinite;
    bottom: -150px;  
}
.circles li:nth-child(1){
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
}
 
 
.circles li:nth-child(2){
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
}
 
.circles li:nth-child(3){
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
}
 
.circles li:nth-child(4){
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
}
 
.circles li:nth-child(5){
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
}
 
.circles li:nth-child(6){
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
}
 
.circles li:nth-child(7){
    left: 35%;
    width: 150px;
    height: 150px;
    animation-delay: 7s;
}
 
.circles li:nth-child(8){
    left: 50%;
    width: 25px;
    height: 25px;
    animation-delay: 15s;
    animation-duration: 45s;
}
 
.circles li:nth-child(9){
    left: 20%;
    width: 15px;
    height: 15px;
    animation-delay: 2s;
    animation-duration: 35s;
}
 
.circles li:nth-child(10){
    left: 85%;
    width: 150px;
    height: 150px;
    animation-delay: 0s;
    animation-duration: 11s;
}
  @keyframes animate {
 
    0%{
        transform: translateY(0) rotate(0deg);
        opacity: 1;
        border-radius: 0;
    }
 
    100%{
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
        border-radius: 50%;
    }
 
}

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css

External JavaScript

This Pen doesn't use any external JavaScript resources.