.mc-wrapper { font-family: Arial, sans-serif; max-width: 300px; }
.mc-form    label      { display:block; margin-top:18px; }
.mc-form    input      { width:100%; padding:6px; font-size:15px; }
.mc-form    button     { margin-top:22px; padding:8px 16px; }
.mc-result           { margin-top:18px; font-weight:600; }