nav .navbar .links li:first-child a {
  color: #000000d4;
}

nav .navbar .links li:nth-child(7) a {
  color: #f48333;
}

.sec1a {
  max-width: 1800px;
  margin: auto;
  height: 500px;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.123), rgba(0, 0, 0, 0.103)), url(../images/our\ client\ banner\ 2.jpg);
  background-position: center;
  background-size: 100% 155%;
  text-align: center;
  padding-top: 380px;
  color: white;
  font-size: 40px;
  margin-top: -120px;
}

.sec1a h1 {
  font-size: 45px;
  color: rgb(255, 255, 255);
  font-weight: 400;
}

.sec11-clients {
  max-width: 1800px;
  margin: auto;
  display: flex;
  flex-wrap: wrap;
  margin-top: 30px;
  padding: 20px;
}


.sec11-clients .sec11-boxes {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
}

.sec11-clients img {
  width: 150px;
  height: 80px;
  margin: 20px;
  background-color: rgb(255, 255, 255);
}


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

  .sec1a {
    height: 450px;
    background-size:100% 100%;

  }

  .sec1a h1 {
    font-size: 35px;
  }

  .bt {
    padding: 15px 0px;
  }

  .bt .btn-container button {
    margin: 0 10px;
  }

  .sec11 {
    padding: 10px;
  }

  .sec11-clients img {
    width: 130px;
    height: 80px;
    margin: 10px;
    border: 0.1px solid black;
  }

}