body{
    background-image: url('../images/cannon.png');
    background-position: center center;
    background-size: cover;
    background-color:rgba(0, 0, 0, 0.90);
}

input{
    font-size:75%;
}
#box{
    background-color: rgba(211, 211, 211, 0.75);
    border: 1px solid #ccc; 
    padding: 20px; 
    font-size:500%;
    width:50%;
    margin-top: 12%; 
    margin-left:25%;
    z-index: 1;
  }
p{
    margin-top:1%;
    margin-left:25%;
    font-size:350%;
    width:25%;
    color:red;
    background-color:rgba(100, 100, 100, 0.9);
}