.navbar {
  background-color: #fff;
}

.section {
  background-color: rgba(0, 0, 0, 0);
  border-bottom: 2px solid #000;
  padding-top: 20px;
  padding-bottom: 20px;
}

.section-2 {
  height: 120px;
}

.container {
  height: 100%;
  justify-content: center;
  align-items: center;
  padding-top: 60px;
  display: block;
}

.navbar-2 {
  height: 100%;
  background-color: #3080c4;
  background-image: linear-gradient(270deg, #307cc2, #fff);
  justify-content: center;
  align-items: center;
  padding-bottom: 0;
  display: flex;
}

.section-3 {
  height: 170vh;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding-top: 60px;
  padding-bottom: 140px;
  display: block;
}

.section-4 {
  height: 30vh;
  background-color: #3d3938;
}

.nav-menu {
  height: 100%;
  color: #fff;
  align-items: center;
  font-size: 18px;
  display: flex;
}

.nav-link, .nav-link-2, .nav-link-3 {
  color: #fff;
  padding-left: 40px;
  padding-right: 40px;
}

.heading {
  color: #fff;
  text-align: center;
  justify-content: center;
  align-items: center;
  padding-top: 20px;
  font-size: 12px;
  font-weight: 400;
  display: flex;
}

.container-2 {
  width: 100%;
  height: 80%;
}

.link-block {
  width: 100px;
  height: 100%;
  background-image: url('../images/Logo_120.png');
  background-position: 50%;
  background-repeat: no-repeat;
  background-size: contain;
}

.nav-home {
  height: 100%;
  background-color: #3080c4;
  justify-content: center;
  align-items: center;
  padding-bottom: 0;
  display: flex;
}

.column {
  height: 100%;
  flex-direction: column;
  margin-top: -24px;
  padding-top: 0;
  display: flex;
}

.columns {
  height: 100%;
  align-items: flex-start;
  display: flex;
}

.column-2 {
  height: 25%;
  display: flex;
}

.div-block {
  width: 100%;
  height: 100%;
  background-image: url('../images/Gong_Yun_244.jpg');
  background-position: 50%;
  background-repeat: no-repeat;
  background-size: cover;
}

.contact-us {
  height: 40vh;
  background-image: url('../images/Meeting_Contact-Us.png.jpg');
  background-position: 50% 10%;
  background-repeat: no-repeat;
  background-size: cover;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding-top: 60px;
  padding-bottom: 140px;
  display: block;
}

.section-5 {
  width: 100%;
  height: 40vh;
  justify-content: center;
  align-items: center;
  display: flex;
}

.container-3 {
  height: 100%;
  flex-direction: column;
  flex: 1;
  justify-content: center;
  align-items: center;
  display: flex;
}

.paragraph {
  text-align: center;
}

.home-landing {
  height: 100vh;
  border: 1px #000;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding-top: 60px;
  padding-bottom: 140px;
  display: block;
}

.about-landing {
  height: 170vh;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding-top: 60px;
  padding-bottom: 140px;
  display: block;
}

.home-logo {
  height: 100%;
  background-image: url('../images/Logo.png');
  background-position: 50%;
  background-repeat: no-repeat;
  background-size: contain;
  justify-content: center;
  align-items: center;
  padding-top: 60px;
  display: block;
}

.div-block-2 {
  text-align: center;
  padding-left: 0;
  padding-right: 0;
}

.link {
  color: #fff;
  border: 2px #fff;
  padding-left: 40px;
  padding-right: 40px;
  text-decoration: none;
}

.link-2 {
  color: #fff;
  border-left: 2px solid #fff;
  border-right: 2px solid #fff;
  padding-left: 40px;
  padding-right: 40px;
  text-decoration: none;
}

.link-3 {
  color: #fff;
  padding-left: 40px;
  padding-right: 40px;
  text-decoration: none;
}

@media screen and (max-width: 767px) {
  .container {
    flex-direction: column;
    display: flex;
  }

  .column {
    margin-top: 0;
  }

  .columns {
    flex-direction: column;
  }

  .column-2 {
    height: 40%;
    justify-content: center;
  }

  .div-block {
    width: 50%;
    height: 75%;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    margin-bottom: 1px;
    padding-bottom: 0;
    display: block;
  }

  .section-5 {
    height: 100vh;
  }

  .about-landing {
    height: 500vh;
    flex-direction: column;
    display: flex;
  }
}

@media screen and (max-width: 479px) {
  .columns {
    width: 100%;
  }

  .column-2 {
    height: 20%;
    flex-direction: column;
    flex: 0 auto;
    align-items: center;
  }

  .section-5, .home-landing {
    height: 50vh;
  }

  .about-landing {
    height: 350vh;
  }

  .link {
    padding-right: 20px;
  }

  .link-2 {
    padding-left: 20px;
    padding-right: 20px;
  }

  .link-3 {
    padding-left: 20px;
  }
}