* {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}
.banner {
  width: 100%;
  height: 100vh;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.597),
      rgba(169, 169, 169, 0.478)
    ),
    url(../img/logo-and-icon/background.jpg);
  background-size: cover;
  background-position: center;
}
.navbar {
  width: 85%;
  margin: auto;
  padding: 35px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.btn {
  margin: 0 0 0 25px;
}
button {
  width: 170px;
  padding: 15px 25px;
  margin: 0px 70px;
  border: unset;
  border-radius: 15px;
  z-index: 1;
  background: #ffffff;
  position: relative;
  font-weight: 700;
  font-size: 17px;
  transition: all 800ms;
  overflow: hidden;
}
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;
}

.box-section1{
  border: px solid #111;
  width: auto;
  height: auto;
  background-image: linear-gradient(
    rgba(255, 255, 255, 0.695),
    rgba(255, 255, 255, 0.695)
  ),
    url(../img/Stone/\(Calcutta\)\ GS\ 1131--1.png);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.box-section3-top{
  border: px solid #73f60f;
  width: auto;
  height: 100px; 

  margin-left: 50px;  
}
.box-section3-top p{
  font-size: 35px;
  font-weight: bold;
  letter-spacing: 1px;
  text-transform:uppercase;
  color: #000000;
}