body{
  font-family: 'Open Sans', sans-serif;
  color: white;
  background: url("https://i.stack.imgur.com/99BJx.jpg") no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  font-weight: bold;
  text-align: center;
  width:100%; 
  margin: auto;
}
  
  h2{
    font-size:1.5em;
    color:#ffffff;
  }
  
  .box{
    background:white;
    width:300px;
    border-radius:6px;
    margin: 0 auto 0 auto;
    padding:0px 0px 70px 0px;
    border: #2980b9 4px solid; 
  }
  
  .username{
    border: #ccc 1px solid;
    padding: 8px;
    color:white;
    margin-top:10px;
    font-size:1em;
    border-radius:4px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgb(134, 134, 134);
    width: 250px;
    border-radius: 20px;
  }
  
  .password{
    border: #ccc 1px solid;
    padding: 8px;
    color:white;
    margin-top:10px;
    font-size:1em;
    border-radius:4px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgb(134, 134, 134);
    width: 250px;
    border-radius: 20px;
  }
  
  .btn{
    background: rgba(0, 0, 0, 0.3);
    width:200px;
    padding-top:5px;
    padding-bottom:5px;
    color:white;
    border-radius:4px;
    border: 2px solid rgb(134, 134, 134);
    border-radius: 20px;
    margin-top:20px;
    margin-bottom:20px;
    float: center;
    margin-left:16px;
    font-weight:800;
    font-size:0.8em;
  }
  
  .btn:hover{
    background:rgb(69, 123, 251); 
  }

.red
{
    color: red;
}