*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

:root{
    --merryred:#8d0202;
    --black:#000000;
    --peechwhite:#dacece;
    --white:#ffffff;
    --skinsandy:#ffecd9;
  }

  body{
    background-color:var(--skinsandy);
  }

  .nav ul li:nth-child(3){
    border-bottom: 1px solid var(--white);
  }

  .back-btn{
    position:fixed;
    font-size: 30px;
    width: 65px;
    height: 100px;
    border: none;
    background-color: transparent;
    color: var(--merryred);
    transition: .2s;
  }
  
  .back-btn:hover{
     background-color: var(--merryred);
     color: var(--skinsandy);
  }


.aboutAuthor{
  width: 85%;
  margin: 0 auto;
  margin-top: 50px;
  text-align: justify;
  line-height: 25px;
  font-family: "Montserrat", sans-serif;
  font-size: 16px;
  color: black;
}

.aboutAuthor .author-details p{
  margin-top:10px
}

.aboutAuthor p .highlight{
  color: var(--merryred);
  font-weight: 600;
}

.aboutAuthor .author-para-grid{
  width: 90%;
  margin: 0 auto;
  margin-top: 30px;
  display: flex;
}

.aboutAuthor .author-para-grid .grid-1{
  padding: 5px 15px;
  border-right: 1px solid #333;
  border-top: 2px solid #333;
  font-size: 15px;
  /* border-radius: 0px 10px -10px 0px; */
}

.aboutAuthor .author-para-grid .grid-2{
  padding: 5px 15px;
  border-left: 1px solid #333;
  border-bottom: 2px solid #333;
  font-size: 15px;
  /* border-radius: 0px 0px 0px 10px; */
}

.aboutAuthor .book-details{
  margin-top: 30px;
}

.aboutAuthor .developer-details{
  margin-top: 30px;
}

.aboutAuthor .developer-details .my-link{
  color: #222;
  font-weight: bold;
}

.aboutAuthor .important-points{
  margin-top: 30px;
}

.aboutAuthor .important-points p{
  font-weight: 700;
}

.aboutAuthor .important-points ol{
  width: 90%;
  margin:0 auto;
  margin-top: 15px;
}

.aboutAuthor .contact-mail{
  text-align: center;
  background-color: #fffffff8;
  margin-top: 30px;
  margin-bottom: 50px;
  padding: 10px 0px;
}

.aboutAuthor .endCard{
  width: 100%;
  text-align: center;
}

.endCard img{
  width: 200px;
  margin: 0 auto;
}

.contact-mail a{
  color: #8d0202;
}

.developer-details a{
  color: #8d0202;
}


@media (max-width:768px){

  .nav ul li:nth-child(3){
    border-bottom: 1px solid var(--black);
  }

  .back-btn{
    display: none;
  }

  .aboutAuthor{
    font-size: 14px;
    line-height: 20px;
  }

  .aboutAuthor .author-para-grid{
    width: 100%;
    text-align: left;
  }

  .grid-1 p,.grid-2 p{
    font-size: 12px;
  }

  .developer-details p,.important-points p{
    text-align: left;
  }

}