* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
h1,h2,h3,h4,h5,h6{
  font-weight: normal;
}
*::before, *::after{
  box-sizing: border-box;
}
ol, ul {
  list-style: none;
}
button{
  font: inherit;
}