* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-transform: capitalize;
}

body {
  font-family: "Poppins", Arial, sans-serif;
  background: #fff;
  font-size: 14px;
  line-height: 1.8;
  font-weight: 600;
  color: gray;
}

.nav_top {
  width: 100%;
  height: 25.2px;
  background-color: #202020;
}

.nav_top {
  display: flex;
  justify-content: center;
  align-items: center;
}

#datetime {
  color: white;
  font-size: 14px;
  font-family: "Poppins", Arial, sans-serif;
  margin: 0 8px;
}

.clk {
  color: grey;
}

.nav_bottom {
  width: 100%;
  height: 90.4px;
  background-color: white;
}

.nav_container {
  background-color: white;
  display: flex;
  justify-content: space-between;
  height: 100%;
  align-items: center;
  color: #4d4d4d;
}

.first_part {
  display: flex;
  align-items: center;
}

.sec_part {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sec_part #nav_content {
  font-size: 14px;
}

#hamBurger {
  display: none;
  margin-right: 10px;
  cursor: pointer;
  padding: 20px 0px;
}

.line1,
.line2,
.line3 {
  margin-bottom: 5px;
  background-color: #131313;
  height: 4px;
}

.line1 {
  width: 30px;
}

.line2 {
  width: 20px;
}

.line3 {
  width: 10px;
}

.sec_part2 {
  display: none;
  flex-direction: column;
  position: absolute;
  right: -100%;
  top: 116px;
  width: 50%;
  transition: all 0.2s linear;
}

.sec_part2 #nav_content {
  height: 57px;
  display: flex;
  font-size: 14px;
  justify-content: center;
  align-content: center;
}

.cross {
  font-size: 35px;
  font-weight: 100;
  padding-left: 15px;
}

.img_logo {
  height: 80px;
  width: 220px;
}

a {
  text-decoration: none;
}

#nav_content {
  height: 90.4px;
  background-color: white;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-content: center;
  align-items: end;
}


#nav_content {
  position: relative;
  display: flex;
  align-items: center;
  padding: 10px;
  color: black;
  font-size: 10px;
  overflow: hidden;
  cursor: pointer;
  z-index: 4;
  transition: color 0.4s ease;
  width: 100%;
  box-sizing: border-box;
  font-weight: 600;
}

#nav_content::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 100%;
  background-color: #999999;
  z-index: -1;
  transition: width 0.4s ease;
}

#nav_content:hover::before {
  width: 100%;
  right: 0;
  left: auto;
}

#nav_content:hover {
  color: white;
}

.about:hover .about_content {
  display: block;
  animation: slideDown 0.3s ease forwards;
}

.slide_banner {
  width: 100%;
  height: 700px;
  background-color: purple;
}

.department {
  width: 100%;
  height: 400px;
  background-color: blue;
}

.hod_intro {
  width: 100%;
  height: 1450px;
  background-color: aqua;
}

.latest-news {
  height: 1700px;
  width: 100%;
  background-color: bisque;
}

.footer_content {
  height: 400px;
  width: 100%;
  background-color: #4d4d4d;
}


.about_dropdown {
  position: relative;
  display: inline-block;
}


.dropdown_menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  min-width: 180px;
  z-index: 1000;

}


.about_dropdown:hover .dropdown_menu {
  display: block;
  background-color: #ffffff;
}


.dropdown_item {
  padding: 10px 15px;
  color: black;
  text-align: left;
  transition: background-color 0.3s ease;
  cursor: pointer;

}

.dropdown_item:hover {
  background-color: rgba(128, 128, 128, .7);

}

.nav {
  position: fixed;
  width: 100%;
  z-index: 10;
}

footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  height: auto;
  width: 100%;
  background-color: black;
  padding-top: 100px;
}

#heading_f {
  color: #ffffff;
}

.footer_left,
.footer_center,
.footer_right {
  display: flex;
  align-items: center;
  flex-direction: column;
}

.footer_l_content {
  margin: 20px 30px;
}

#icon_f {
  height: 100px;
  width: 20px;
  margin-top: 100px;
  

}

li {
  display: inline;
  margin: 20px;
}

.icon_f {
  margin-top: 50px;

}

li:hover {
  background-color: white;
  text-decoration: none;
  color: white;
}

li a {
  text-decoration: none;
  color: #4d4d4d;

}

@media (max-width : 1220px) {
  .sec_part #nav_content {
    font-size: 12px;
  }

  .sec_part {
    gap: 0px;
  }

  .sec_part #nav_content {
    padding: 5px;
  }
}

@media (max-width : 900px) {
  .sec_part {
    display: none;
  }

  #hamBurger {
    display: block;
  }

  .sec_part2 {
    display: flex;
    right: -100%;
  }
}

@media (max-width : 800px) {
  footer {
    display: flex;
    flex-wrap: wrap;
    height: auto;
    text-align: center;
  }

  .footer_l_content {
    margin-top: 0px;
  }

  .icon_f {
    margin-top: 10px;
    margin-bottom: 30px;
  }
}