html,
body {
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: #f6f9fc;
    color: #1f2a37;
    margin: 0;
}

* {
    box-sizing: border-box;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}