*body{
    margin: 0;
    padding: 0;
    font-family: Roboto;
    background-repeat: no-repeat;
    background-size: cover;
    background: bisque;
    height: 100vh;
    overflow: hidden;
    border: 1px black;
    width: 100px;
  }
  
  .center{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30vw;
    background: white;
    border-radius: 10px;
    border: 1px solid black;
    width: 400px;
  }
  .center h1{
    text-align: center;
    padding: 0 0 20px 0;
    border-bottom: 1px solid silver;
  }
  
  .center form{
    padding: 0 40px;
    box-sizing: border-box;
}
form .txt_field{
    position: relative;
    border-bottom: 2px solid #adadad;
    margin: 30px 0;
  }
  .img{
  align-items:center;
  justify-content:center;
  margin-left:110px;
  margin-top:100px;
  
  }
  .head{
  font-size:20px;
  font-family:arial;
  margin-right:50px;
  align-items:centre;
  margin-left:20px;
  
  }
  .button{
  background-color:#0066ff;
  color:white;
  padding:10px ;
  margin-left:180px;
  border-radius:10px ;
    margin-bottom:100px;
    margin-left: 80px;
    border: none;
  }
  .button:hover{
    background-color:#5e95e7;
    transition: 0.5s;
  }