header {
  padding-bottom: 350px;
}
.course-div {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 20px;
}
.course-div > * {
  text-decoration: none;
  -o-transition-property: all;
  -webkit-transition-property: all;
  transition-property: all;
  -o-transition-duration: 0.3s;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
}
.course-div img {
  border-radius: 400px;
  width: 100%;
}
.course-div strong {
  opacity: 0;
}
.course-swiper .swiper-slide-active .course-div strong {
  opacity: 1;
}
.course-swiper .swiper-slide-active .course-div img {
  -webkit-box-shadow: 0px 0px 10px 2px #0000009e;
          box-shadow: 0px 0px 10px 2px #0000009e;
}
.service-div {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 20px;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  text-align: center;
}
.about-section {
  background-image: url("../image/guitar-back.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  padding-top: 140px;
  padding-bottom: 140px;
}
.popular-div {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.popular-div img {
  width: 163px;
}
.course-section {
  background-image: url("../image/course-back.jpg");
  padding-top: 140px;
  padding-bottom: 140px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
}
.price-div {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 10px;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  margin-top: 10px;
}
.news-section .card-div {
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
@media screen and (max-width: 440px) {
  .popular-div .card-div {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  .popular-div img {
    width: 100%;
  }
}