.container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-gap: 20px;
  margin-top: 20px;
  width: 90%;
  margin: auto;
}
.add-to-cart {
  background-color: #4caf50;
  color: white;
  border: none;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  cursor: pointer;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
}

header {
  background-color: #333;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  position: fixed;
  width: 100%;
  overflow: hidden;
}

.logo {
  width: 100px;
}

.logo img {
  width: 100%;
  border-radius: 80px;
  margin-top: 20px;
}

.nav-links {
  display: flex;
  list-style: none;
  font-size: 24px;
  margin-bottom: 10px;
}

.nav-links li {
  margin-right: 20px;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
}
.build-img {
  width: 100%;
  margin-top: 30px;
}
.product-box {
  padding: 20px;
}
.product-heading {
  margin-top: 70px;
}
.about-box {
  padding: 20px;
 /* margin-top: 10px; */
}
.about-heading{
  margin-top: 60px;
}
.footer-box {
  background-color: #333;
  color: white;
  padding: 20px;
  text-align: center;
  /* position: fixed; 
   */
   margin-top: 70px;
  bottom: 0;
  width: 100%;
}

.footer-text {
  margin: 0;
}

@media only screen and (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #333;
    align-items: center;
  }
   .nav-links.open {
    clip-path: circle(100% at 100% 0);
  }
 .item {
    width: 33.33%;
    padding: 20px;
    text-align: center;
    margin-bottom: 20px;
  }
  .item img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 20px;
    width: 100px;
    /* height: 50px; */
  }
  .item h3 {
    margin-bottom: 10px;
  }

  .item p {
    margin-bottom: 20px;
  }
  .footer-box {
    background-color: #333;
    color: white;
    padding: 20px;
    text-align: center;
    position: fixed; 
    bottom: 0;
    width: 100%;
  }
   .footer-text {
    margin: 0;
  }
}
  @media only screen and (max-width: 768px) {
    .item {
      width: 50%;
    }
    .nav-links {
      display: flex;
      list-style: none;
      font-size: 10px;
      margin-bottom: 10px;
      padding: 10px;
    }
    header {
      padding: 0;
    }
    body {
      font-size: 14px;
      margin-top: 20px;
    }
    .container {
      display: block;
      grid-gap: 20px;
      margin-top: 20px;
      width: 90%;
      margin: auto;
    }
    .product-heading {
      margin-top: 0;
    }
    .about-box{
      margin-top: 0;
      margin-bottom: 15vh;
    }
    .about-heading{
      margin-top: 0;
    }
    }

  @media only screen and (max-width: 480px) {
    .item {
      width: 100%;
    }
  }
  @media only screen and (max-width: 450px) {
    .Header {
      width: 300px;
      height: 40px;
    }
  }
}