body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.gotoTopBtn{
  position: fixed;
  right: 20px;
  bottom: 20px;
  font-size: 48px !important;
  color: rgba(0,0,0,0.8);
  cursor: pointer;
  border-radius: 50%;
  background-color: white;
}
@font-face {
  font-family: 'Roboto';
  src: url('../fonts/Roboto-VariableFont_wdth_wght.ttf') format('truetype');
  font-weight: 100 900; /* hỗ trợ từ 100 đến 900 */
  font-style: normal;
}

@font-face {
  font-family: 'Roboto';
  src: url('../fonts/Roboto-Italic-VariableFont_wdth_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: italic;
}