html {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: normal;
    font-size: 14pt;
}
body {
    background-image : url('../img/denim.png');
    background-repeat: repeat;
    color: #ffff00;
   
    margin: 0;
    padding: 0;
    
}

img.qr {
    display: block;
	width: 250px;
    height: 250px;
    margin: 10px auto;
}
.error {
    color: #ff0000;
    height: 50px;
}
.q_form {
    display:flex;
    padding: 5px;
    flex-direction: column;
    align-items: center;
}
button {
   
    border-radius: 15px;
    padding: 5px 3px;
    font-weight: bold;
    font-size: 1.1em;
    background: linear-gradient(45deg, #339933,#88ff88);
}
input {
    width: 450px;
    text-align: center;
    font-size: 1.1em;
    padding: 2px;
    margin: 5px auto  10px;
}
h1, h2, h3 {
    text-align: center;
    padding: 5px    ;
}
h1 {
    margin: 0;
    background-color: #ff00ff88;
    color: #fff;
    
}
h2 {
    margin: 0;
    background-color: #00000088;
    color: #ff0;
}
label {
    margin: 10px auto 2px;
}

.google_play {
    display: block;
  width: 200px;
  margin: 0 auto;
}
.container {
    height: 500px;
}