ackground-color: rgba(0, 0, 255, 0.3);
}
div::after {
  background-color: rgba(0, 0, 0, 0.5);
}
</style>
<style data-title="fonts">
  @import url('https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,500,500i,700,700i,900,900i');  
  @font-face {
  font-family: 'Material Icons';
  font-style: normal;
  font-weight: 400;
  /* src: url(../flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2) format('woff2'); */
  src: url(https://fonts.gstatic.com/s/materialicons/v48/flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2) format('woff