*, *::after, *::before {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
}

html {
  font-size: 100%;
}

@media (max-width: 75em) {
  html {
      font-size: 80%;
  }
}

@media (max-width: 56.25em) {
  html {
      font-size: 80%;
  }
}

@media (max-width: 37.5em) {
  html {
      font-size: 80%;
  }
}

@media all and (max-width: 75em) {
  body {
      padding: 0;  
  }  
}

.clearfix::before, .clearfix:after {
  content: "";
  clear: both;
  display: table;
}