.banner{
  margin-top: 90px;
  height: 500px;
  background-image: url(/img/est/cdg.jpeg);
  background-position-x:center;   
  background-repeat:no-repeat;
}
main{
  margin-top: 90px;
  color: #404040;
}
section{  
  width: 1140px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 60px;
}
.title{
  text-align: center;
}
.title .text{
  font-size: 32px;
  font-weight: 700;
}
.titleline{
  background-color: #0589f3;
  width: 100%;
  height: 4px;
  margin-top: 30px;
  margin-bottom:50px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 4px;
}
.titlebody{ 
  font-weight: 400;
  text-align: justify;
}
.headline{
  color: #ff3333;
  font-weight: 600;
  font-size: 20px;
}
.content{
  margin-top: 30px;
}
.img-center{
  margin-top: 30px;
  text-align: center;
}
.property{
  color: #404040;
  font-size: 18px;
  font-weight: 600; 
}
.property p{
  font-size: 16px;
  font-weight: 300;
  text-align: justify;
}
.os{  
  font-weight: 500;
  margin-left: 30px;
}
.merit{  
  font-size: 14px;
}
.cert{
  margin-top: 30px;
  text-align: center;
}
.cert img{
  width: 300px;
  height: 400px;
  object-fit: cover;
}
.ccid{
  margin-top: 30px;
  text-align: center;
}
.ccid img{
  width: 400px;
}
.clients{
  text-align:center;
}
.clients img{  
  width: 1000px; 
}

@media(max-width:1000px) {
  main{
    padding-left: 50px;
    padding-right: 50px;
  }
  section{
    width: 100%;
  }
  .clients img{  
    width: 100%; 
  }
  .os{
    margin-left: 50px;
  }
}