.rg-container{
    display: grid;
    grid-template-columns: 60% auto;
    gap: 2.5rem;
}

.bop-container{
    position: sticky;
    position: -webkit-sticky;
    max-height: 75vh; 
    overflow-y: auto;
    top: 8rem;
    background-color: var(--transparent);
    border-radius: 1rem;
    padding: 1rem;
}

.bop-container h3{
    text-align: center;
}

.bop-container a{
    color: var(--white);
}

.bop-container a:hover{
    color: var(--orange);
    text-decoration: underline;
}

#toc-bof{
    display: none;
}

h1{
  background: linear-gradient(90deg, var(--orange) 0%, var(--lightorange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 3em;
  margin-bottom: 0.5em;
}

h2{
  background: linear-gradient(90deg, var(--orange) 0%, var(--lightorange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.toc-list, .toc-list ol {
    list-style-type: none;
  }
  
  .toc-list {
    padding: 0;
  }
  
  .toc-list a {
    color: var(--white);
  }
  
  .toc-list a :hover {
    color: var(--orange);
    text-decoration: underline;
  }

.readingGuideTitle {
    padding: 100px 0 0;
    margin: -100px 0 0;
}

.collapsible {
    background-color: var(--grey);
    border-radius: 0.5rem;  
    margin: 0.5rem 0 0 0;
    color: var(--white);
    padding: 18px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
    transition: all 0.1s;
    font-family: 'Poppins', sans-serif;
  }
  
  .active, .collapsible:hover {
    background-color: var(--orange)
  }

  .active {
    border-radius: 0.5rem 0.5rem 0 0; 
  }
  
  .content {
    padding: 1em;
    display: none;
    overflow: hidden;
    background-color: var(--grey);
    border-radius: 0 0 0.5rem 0.5rem;
    list-style-type: none;
  }

  .dot {
    height: 14px;
    width: 14px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
}

@media only screen and (max-width: 900px) {
    .rg-container{
        display: grid;
        grid-template-columns: 1fr;
    }

    .bop-container{
        max-height: 100vh;
        top: 8rem;
        border-radius: 2rem;
        padding: 1rem;
    }

    #toc-bof{
        display: block;
    }
  }