* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #222;
    background: #fff;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

.button {
    display: inline-block;
    padding: 10px 16px;
    border: 1px solid #222;
    text-decoration: none;
}