.login-form{
    width: 360px;
    background: #f1f1f1;
    height: 580px;
    padding: 80px 40px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
  }
  
  .login-form > h1{
    text-align: center;
    margin-bottom: 60px;
    font-family: Helvetica;
  }
  
  .inp_text{
    border-bottom: 2px solid #adadad;
    position: relative;
    margin: 30px 0;
  }
  
  .inp_text input{
    font-size: 15px;
    color: #333;
    border: none;
    width: 100%;
    outline: none;
    background: none;
    padding: 0 5px;
    height: 40px;
  }
  
  .inp_text span::before{
    content: attr(data-placeholder);
    position: absolute;
    top: 50%;
    left: 5px;
    color: #adadad;
    transform: translateY(-50%);
    z-index: -1;
    transition: .5s;
  }
  
  .inp_text span::after{
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    background: linear-gradient(120deg,#3498db,#8e44ad);
    transition: .5s;
    top: 100%; left: 0;
  }
  
  .focus + span::before{
    top: 100%; left: 0;
    top: -5px;
  }
  .focus + span::after{
    width: 100%;
  }
  
  .login_btn{
    display: block;
    width: 100%;
    height: 50px;
    border: none;
    background: linear-gradient(120deg,#3498db,#8e44ad,#3498db);
    background-size: 200%;  
    color: #fff;
    outline: none;
    cursor: pointer;
    transition: .5s;
  }
  
  .login_btn:hover{
    background-position: right;
    font-size: 17px;
  }
  
  .login-form-bottom-text > h2{
    margin-top: 20px;
    text-align: center;
    font-size: 21px;
    font-family: Helvetica;
  }
  
  .loader_text {
    top: 55%;
    display: block;
    position: relative;
    text-align: center;
    font-size: 17px;
    color: white;
  }