html {
    box-sizing: border-box;
    font-size: 16px;
}
  
*,
*:before,
*:after {
    box-sizing: inherit;
}
  
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ol,
ul {
    margin: 0;
    padding: 0;
    font-weight: normal;
}
  
ol,
ul {
    list-style: none;
}
  
img {
    max-width: 100%;
    height: auto;
}