body {
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    font-family: sans-serif;
    background-color: #eee;
    color: #111;
    padding: 8px;
}
header {
    text-align: center;
}
footer {
    margin: 8px;
    font-size: 12px;
    text-align: center;
}
#carriagetype {
    font-size: 36px;
    width: calc(100% - 4px);
    border: 2px solid #111;
    padding: 0px;
    margin: 0px;
    max-width: 100%;
    text-align: center;
}

button {
    font-size: 20px;
}

.smalltext {
    font-size: 12px;
    margin: 8px;
}
.bigtext {
    font-size: 26px;
    margin: 8px;
}