.main{
margin-left:auto;
margin-right:auto;
padding:5px;
max-width:800px;
}
.center{
text-align:center;
}
body{
font-family:Roboto,Arial,sans-serif;
font-size:1.5em;
}
h1{
font-size:1.3em;
text-align:center;
}
input{
font-family:monospace;
font-size:2em;
text-align:center;
padding:10px;
}
button{
border-radius:10px;
padding:10px;
}
#gen{
font-size:1.5em;
background-color:#4CBB17;
}
#cpy{
font-size:1em;
}