.item:nth-child(2) {
  width: 100vw;
  /* height: 100vh; */
  align-self: center;
}
.mainpart {
  display: flex;
  justify-content: space-around;
  align-items: center;
  font-size: 2.25rem;
}
.mainpart img {
  height: 13rem;
  width: 13rem;
}
.sci {
  text-align: end;
}
.ccb_intro,
.sci_intro {
  margin-top: 2.5rem;
}
.ccb_intro p,
.sci_intro p {
  margin: 0;
}
.ccb_intro .ccb_name,
.sci_intro .sci_name {
  font-weight: bold;
}

.ccb_contact,
.sci_contact {
  margin-top: 2.5rem;
}
.ccb_contact p,
.sci_contact p {
  margin: 0;
}

a {
  text-decoration: none;
  color: var(--text-color);
}

/* small laptop */
@media only screen and (max-width: 1440px) {
  .mainpart {
    font-size: 2rem;
  }
  .mainpart img {
    height: 11rem;
    width: 11rem;
  }
}

@media only screen and (max-width: 1050px) {
  .mainpart {
    font-size: 1.5rem;
  }
  .mainpart img {
    height: 9rem;
    width: 9rem;
  }
}

/* tablet */

@media only screen and (max-width: 769px) {
  .slider .list .item:nth-child(2) {
    align-self: center;
    height: 95dvh;
  }
  .mainpart {
    flex-direction: column;
    display: flex;
    font-size: 1.3rem;
    align-items: normal;
    margin: 5% 10%;
    gap: 3rem;
  }

  .ccb_intro,
  .sci_intro {
    margin-top: 0.5rem;
  }
  .ccb_contact,
  .sci_contact {
    margin-top: 0.5rem;
  }

  .mainpart img {
    height: 5rem;
    width: 5rem;
  }
}

/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 426px) {
  .mainpart {
    margin: 15% 10%;
    font-size: 1rem;
  }

  .ccb_intro,
  .sci_intro {
    margin-top: 1rem;
  }
  .ccb_contact,
  .sci_contact {
    margin-top: 1rem;
  }
}

@media screen and (max-height: 600px) {
  .slider .list .item:nth-child(1) {
    align-self: normal;
  }
  .mainpart {
    margin-top: 0.5rem;
    gap: 1rem;
  }
}

/* Landscape mobile devices (600px and down) */
@media only screen and (max-width: 900px) and (orientation: landscape) and (max-height: 600px) {
  .slider .list .item:nth-child(1) {
    width: 100vw;
    height: 100vh;
    align-self: center;
  }

  .mainpart {
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    font-size: 1rem;
    margin: 0%;
  }
  .mainpart img {
    height: 5rem;
    width: 5rem;
  }

  .ccb_intro,
  .sci_intro,
  .ccb_contact,
  .sci_contact {
    margin-top: 0.5rem;
  }
}