*,
*::before,
*::after {
    box-sizing: border-box;  
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    color: #222;
    background: #fff;
    font-family:
        Arial,
        Helvetica,
        sans-serif;
    font-size: 15px;
    line-height: 1.5;
}
a {
    color: inherit;
}
img {
    display: block;
    max-width: 100%;
}
button,
input,
select,
textarea {
    font-family: inherit;
}
button {
    cursor: pointer;
}
h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}
ul,
ol {
    margin-top: 0;
}
::selection {
    color: #fff;
    background: #0066cc;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}