* {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
  }
  .banner {
    width: 100%;
    height: 100vh;
    background-image: linear-gradient(
        rgba(255, 255, 255, 0.444),
        rgba(169, 169, 169, 0.478)
      ),
      url(../img/logo-and-icon/background.jpg);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
  }
  .navbar {
    width: 85%;
    margin: auto;
    padding: 35px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .btn {
    margin: 0 0 0 25px;
  }
  .btn.active{
    width: 200px;
  }
  button {
    width: 170px;
    padding: 15px 25px;
    margin: 0px 70px;
    border: unset;
    border-radius: 15px;
    color: #ffffff;
    z-index: 1;
    background: #f23636;
    position: relative;
    font-weight: 700;
    font-size: 17px;
    transition: all 800ms;
    overflow: hidden;
  }
  button::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    border-radius: 15px;
    background-color: #d2252b;
    z-index: -1;
    transition: all 800ms;
  }
  button:hover {
    color: #e8e8e8;
  }
  button:hover::before {
    width: 100%;
  }
  .logo {
    width: 300px;
    cursor: pointer;
  }
  section{
    border: px solid #111;
    width: auto;
    height: auto;
    object-fit: cover;
    background-color: #e8e8e8;
    background-image: linear-gradient(
        rgba(255, 255, 255, 0.597),
        rgba(169, 169, 169, 0.478)
      ),
      url(../img/Stone/\(Calcutta\)\ GS\ 1131--1.png);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
  }
  .title-box{
    border: px solid #adf;
    width: auto;
    height: auto;
  }
  .title-box1{
    border: px solid #ff5d0c;
    width: auto;
    height: 86px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .title-box1  p{
    font-size: 30px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: Arial, Helvetica, sans-serif;
  }
  .title-box2{
    border: px solid #DE8E91;
    width: auto;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .quartz{
    border: px solid #000000;
    border-radius: 15px;
    background-color: #d2252b;
  }
  .title-box2 p{
    font-size: 30px;
    font-weight: bold;
    font-family: Arial, Helvetica, sans-serif;
    padding: 15px 25px;
    color: #fff;
  }
  .box-section{
    border: px solid #0c0cff;
    width: auto;
    height: auto;
  }
  .title1 {
    border: px solid #000000;
    width: auto;
    padding-top: 20px;
    display: flex;
    align-items: center;
  }  
  .title1 p{
    font-size: 35px;
    font-weight: bold;
    font-family: Arial, Helvetica, sans-serif;
    padding: 15px 25px;
  }
  .main_title p{
    font-size: 30px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: Arial, Helvetica, sans-serif;
    color: #fff;
  }
  .title2{
    border: px solid #000000;
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
  }
  .title2-box{
    border: px solid #ff5d0c;
    border-radius: 15px;
    background-color: #cfcfcf;
    width: 800px;
    height: auto;
    margin-left: 100px;
    display: flex;
    align-items: center;
    padding: 20px 30px;
    margin-bottom: 20px;
  }
  .title2-box p{
    font-size: 38px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
  .title3{
    border: px solid #ff0c0c;
    width: auto;
    height: auto;
    display: flex;
    align-items: center;

  }
  .title3-box{
    border: px solid #0c0cff;
    border-radius: 15px;
    background-color: #DE8E91;
    width: 700px;
    height: auto;
    margin-left: 800px;
    display: flex;
    align-items: center;
    padding: 20px 30px;

  }
  .title3-box p{
    font-size: 35px;
    
  }