*{
margin: 0;
padding: 0;

}
.header{
min-height: 100vh;
width: 100%;
background-image: background-image: linear-gradient(rgba(4,9,30,0.1), rgba(4,9,30,0.1));
background-position: center;
background-size: cover;
position: relative;
}
nav{
display: flex;
padding: 2% 6%;
justify-content: space-between;
align-items: center;

}
nav img{
height: auto;
width: 500px;
}
.nav-links{
flex: 1;
text-align: right;

}
.nav-links ul li{
list-style: none;
display: inline-block;
padding: 8px 12px;
position: relative;
}
.nav-links ul li a{
 color: #000000;
 text-decoration: none;
 font-size: 30px

 }
.nav-links ul li::after{
 content: '';
 width: 0%;
 height: 2px;
 background: #000000;
 display: block;
 margin: auto;
 transition: 0.1s;
  }
.nav-links ul li:hover::after{
   width: 100%
   }
   .text-box{
   width: 90%
   color: #000000;
   position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
   text-align: center;
   }
   .text-box h1{
   font-size: 50px;
   font-family: "Courier New", Helvetica, monospace;

   }
   .text-box p{
   margin: 10px 0 40px;
   font-size: 30px;
   font-family: "Courier New", Helvetica, monospace;
   color: #000000;
   }


   @media(max width: 700px){
   .text-box h1{
   font-size: 50px}

   }

   /*----------------*/
   #service.service{

   min-height: 100vh;
   width: 100%;
   margin: auto;
   text-align: center;
   padding-top: 70px;
   }
   h1 {
   font-size: 45px;
   font-family: "Courier New", monospace;
   font-weight: 600;
   }
   p {
   font-size: 25px;
   font-family: "Courier New", monospace;
   color: #000000
   font-weight: 300;
   line-height: 30px;
   padding: 10px;
   }

   .row{
   margin-top: 5%;
   display: flex;
   justify-content: space-between;
   }
   .service-col{
   display: inline-block;
   border: 1px solid #000000;
   flex-basis: 44%;
   border-radius: 5px;
   margin-bottom: 5%;
   margin-right: 1%;
   text-align: center;
   padding: 25px;
   display: flex;
   }

   h3{
   text-align: center;
   font-weight: 600;
   font-size: 25px;
   margin: 10px 0;
   }
   .service-col:hover {
   box-shadow: 0 0 20px 0 px rgba(0,0,0,0,2);
   }

   .about{

   width: 100%;
   margin: auto;
   padding-top: 70px;
   text-align: center;
   }

   .about-col{
   display: inline-block;
   border: 1px solid #000000;
   flex-basis: 44%;
   border-radius: 5px;
   margin-bottom: 5%;
   margin-right: 1%;
   margin-left: 1%;
   text-align: left;

   padding: 25px;
   cursor: pointer;
   display: flex;
   }

   .about-col p{
   padding: 0;
   font-size: 20px;
   }

   .about-col h3{
   marginal-top: 15px;
   text-align: left;
   }


.team{
width: 60%;
margin: auto;
text-align: center;
padding-top: 100px;
}
.team-col{
flex-basis: 44%
border-radius: 10px;
margin-bottom: 5%;
text-align: left;
}

.team-col img{
height: 700px;
width: 500px;
border-radius: 5%;
}
   <!/--------- Footer -------------->

   .footer{
   width: 100%;
   text-align: center;
   padding: 30px 0;
   }

   .footer h4{
   margin-bottom: 25px;
   margin-top: 20px;
   font-weight: 600;
   }