/* css styles */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code');
        
code {
  font-family: 'Fira Code', monospace;
}

.figure-caption {
    text-align: center;
}

img.logo {
  -webkit-filter: drop-shadow(5px 5px 5px #666666);
  filter: drop-shadow(5px 5px 5px #666666);
}