*{
    margin: 0;
    padding: 0;
    text-transform: capitalize;
 font-family: 'Segoe UI',Arial, Helvetica, sans-serif Tahoma, Geneva, Verdana, sans-serif;
 background-color:white
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
   min-height:  100vh;
background-color: rgb(100, 121, 237);
padding: 0 10px;
}

.container{
    max-width: 600px;
    background: #fff;
    border-radius: 15px;
    padding: 20px 25px 15px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
  }
  header h2{
    font-size: 27px;
    font-weight: 500;
  }
  header p{
    margin-top: 10px;
    font-size: 18px;
    color: #474747;
  }
  form{
    margin: 20px 0 27px;
  }
  form input{
    width: 90%;
    height: 60px;
    outline: none;
    padding: 0 17px;
    font-size: 19px;
    border-radius: 10px;
    border: 1px solid #af1111;
    transition: 0.1s ease;
  }
  form input::placeholder{
    color: #b3b2b2;
  }
  form input:focus{
    box-shadow: 0 3px 6px rgba(0,0,0,0.13);
  }
  form button{
    width: 100%;
    border: none;
    opacity: 0.7;
    outline: none;
    color: #fff;
    cursor: pointer;
    font-size: 17px;
    margin-top: 20px;
    padding: 15px 0;
    border-radius: 10px;
    pointer-events: none;
    background: #8cace1;
    transition: opacity 0.15s ease;
    border:2px solid #474747 ; 
 }
  form input:valid ~ button{
    opacity: 1;
    pointer-events: auto;
  }
  .button{
  
 
    
      border: 3px solid #fff;
      color:black;
      text-decoration:none;
      transition: all 0.3s ease-out;
      cursor: pointer;
   
  
  }
  .button:hover{
      color: crimson;
      border: 1px solid white;
      padding: 8px 16px;
      cursor: pointer;
      box-shadow: 3px 3px 9px rgba(0, 0, 0, .2), inset -
      3px -3px 9px rgba(0, 0, 0, .2);
      
  
  }