label, input {
    display: block;
    width: 100%;
}

label {
    margin: 20px 0 10px 0;
    font-size: 24pt;
    font-family: Arial, Helvetica, sans-serif;
}

input {
    padding: 10px;
    font-size: 24pt;font-family: monospace;
}

input[type="submit"] {
    margin: 5%;
    background-color: #2C886A;
    color: #fff;
    border-radius: 10px;
    box-shadow: 0px 0px 5px 5px grey;
    width: 40%;
}

#container {
    width: 600px;
    margin: 20px auto;
}

body {
    background-color: #E8DAF9;
}

#output {
    background-color: #D2FDE5;
    margin: auto;
    width: 600px;
    font-size: 28pt;
    padding: 25px 50px;
    border-style: solid;
    border-color: grey;
}