nav .navbar .links li:first-child a{
  color: #000000;
}
nav .navbar .links li:nth-child(5) a{
  color: #00a6a6;
}

.sec1 {
  max-width: 1800px;
  margin: auto;
  height: 500px;
  background: linear-gradient(rgba(7, 45, 116, 0), rgba(0, 0, 0, 0)), url(../image/Certificate.jpg);
  background-position: center;
  background-size: 100% 180%;
  text-align: left;
  padding-top: 350px;
  color: white;
  font-size: 40px;
  position: relative;
  padding-left: 80px;
  /* margin-top: -80px; */
}

.sec1 img {
  width: 100%;
  left: 0;
  top: 0;
  position: absolute;
  height: 100%;
  opacity: 0.5;
}

.sec1 h1 {
  width: 100%;
  font-size: 50px;
  z-index: 10;
  display: grid;
  position: relative;
}

.Certificate-sec{
  max-width: 1800px;
  margin: auto;
  padding: 4%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
}
.Certificate-sec img{
  width: 48%;
  height: fit-content;
  margin-top: 50px;
  border: 10px solid rgba(2, 19, 37, 0.675);
}



@media screen and (max-width: 900px) {

  .sec1 {
    background-size: 140% 100%;
    height: 300px;
    padding-top: 200px;
    padding-left: 30px;
  }

  .sec1 h1 {
    font-size: 35px;
  }

  .Certificate-sec img{
    width: 100%;
  }


}