* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body {
  height: 100%;
  font-family: 'Roboto', sans-serif;
  scroll-behavior: smooth;
}
ul, ol {
  list-style: none;
}
a {
  text-decoration: none;
  color: inherit;
}
img, video {
  max-width: 100%;
  display: block;
}
button, input, textarea, select {
  font: inherit;
  outline: none;
  border: none;
  background: none;
}