*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    overflow-x: hidden;
}

.contribution_banner{
    width: 100%;
    height: 70vh;
    background-image: linear-gradient(rgba(9, 25, 77, 0.55),rgba(3, 22, 73, 0.55)), url(https://static.igem.wiki/teams/4746/wiki/cont-banner.jpg);
    background-position: center;
    background-size: cover;
    
}

.contribution_banner_text{
    color: white;
    font-size: 80px;
    margin: 0;
    position: absolute;
    top: 40%;
    left: 45%;
    text-transform: uppercase;
    transform: translate(-50%, -50%);
    width: 35vw;
  }
.contribution_overveiw{
    width: 500px;
    padding: 10px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    border-right: 5px #122331 solid;
    border-radius: 5px;
    margin-left: 500px;
    margin-top: 80px;
    margin-bottom: 50px;
}

.contribution_table{
    align-items: center;
    margin-left: 200px;
  }
table{
    font-family: arial, sans-serif;
    font-weight: bold;
    border-collapse: collapse;
    width: 500px;
    margin-left: 0px;
  }
  td, th {
    border: 2px solid black;
    text-align: left;
    padding: 8px;
  }
  .body_container{
    width:900px;
    border: 2px #122331 solid;
    border-radius: 15px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    margin-left: 300px;
  }
    .body_container_1{
    width:900px;
    border: 2px #122331 solid;
    border-radius: 15px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    margin-left: 300px;
  }

  .electrical, .step-by-step{
    margin-left: 100px;
    margin-right: 100px;
  }
  .electrical h2{
    text-align: center;
    padding-top: 15px;
  }
  .contribtution_image{
    padding-left: 100px;
  }
   .contribution_text{
    text-align: center;
  }
  .contribtution_parag{
    margin-left: 100px;
    margin-right: 100px;
  }
   @media screen and (max-width: 1280px){
  .contribution_banner{
    width: 100%;
    height: 70vh;
    background-image: linear-gradient(rgba(9, 25, 77, 0.55),rgba(3, 22, 73, 0.55)), url(https://static.igem.wiki/teams/4746/wiki/cont-banner.jpg);
    background-position: center;
    background-size: cover;
    
}

.contribution_banner_text{
    color: white;
    font-size: 50px;
    margin: 0;
    position: absolute;
    top: 45%;
    left: 56%;
    text-transform: uppercase;
    transform: translate(-50%, -50%);
    width: 35vw;
  }
  .contribution_overveiw{
    width: 900px;
    padding: 10px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    border-right: 5px #122331 solid;
    border-radius: 5px;
    margin-left: 200px;
    margin-top: 80px;
    margin-bottom: 50px;
}
   .body_container{
    width:1030px;
    height: 4000px;
    border: 2px #122331 solid;
    border-radius: 15px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    margin-left: 125px;
  }
  .body_container_1{
    width:1030px;
    height: 4000px;
    border: 2px #122331 solid;
    border-radius: 15px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    margin-left: 125px;
  }
  .electrical, .step-by-step, .contribtution_parag{
    margin-left: 30px;
    margin-right: 30px;
  }
  .electrical h2{
    text-align: center;
    padding-top: 15px;
  }
  .contribution_table{
    align-items: center;
    margin-left: 20px;
  }
table{
    font-family: arial, sans-serif;
    font-weight: bold;
    border-collapse: collapse;
    width:880px;
    margin-left: 53px;
  }
  .contribtution_image{
     padding-left:30px; 
  }
  .contribtution_image img{
    width: 500px;
    margin-left: 0px;
   
  }
   .contribution_text{
    text-align: center;
  }
  iframe{
    width: 650px;
  }
}

@media screen and (max-width: 970px){
  .contribution_banner{
    width: 100%;
    height: 40vh;
    background-image: linear-gradient(rgba(9, 25, 77, 0.55),rgba(3, 22, 73, 0.55)), url(https://static.igem.wiki/teams/4746/wiki/cont-banner.jpg);
    background-position: center;
    background-size: cover;
    
}

.contribution_banner_text{
    color: white;
    font-size: 50px;
    margin: 0;
    position: absolute;
    top: 30%;
    left: 45%;
    text-transform: uppercase;
    transform: translate(-50%, -50%);
    width: 35vw;
  }
  .contribution_overveiw{
    width: 700px;
    padding: 10px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    border-right: 5px #122331 solid;
    border-radius: 5px;
    margin-left: 50px;
    margin-top: 80px;
    margin-bottom: 50px;
}
   .body_container{
    width:730px;
    height: 4000px;
    border: 2px #122331 solid;
    border-radius: 15px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    margin-left: 45px;
  }
  .body_container_1{
    width:730px;
    height: 4000px;
    border: 2px #122331 solid;
    border-radius: 15px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    margin-left: 45px;
  }
    .electrical, .step-by-step, .contribtution_parag{
    margin-left: 30px;
    margin-right: 30px;
  }
  .electrical h2{
    text-align: center;
    padding-top: 15px;
  }
  .contribution_table{
    align-items: center;
    margin-left: 20px;
  }
table{
    font-family: arial, sans-serif;
    font-weight: bold;
    border-collapse: collapse;
    width:680px;
    margin-left: 0px;
  }
  .contribtution_image{
     padding-left:30px; 
  }
  .contribtution_image img{
    width: 300px;
    margin-left: 0px;
   
  }
   .contribution_text{
    text-align: center;
  }
  iframe{
    width: 600px;
  }
}


@media screen and (max-width: 768px){
  .contribution_banner{
    width: 100%;
    height: 40vh;
    background-image: linear-gradient(rgba(9, 25, 77, 0.55),rgba(3, 22, 73, 0.55)), url(https://static.igem.wiki/teams/4746/wiki/cont-banner.jpg);
    background-position: center;
    background-size: cover;
    
}

.contribution_banner_text{
    color: white;
    font-size: 50px;
    margin: 0;
    position: absolute;
    top: 30%;
    left: 20%;
    text-transform: uppercase;
    transform: translate(-50%, -50%);
    width: 35vw;
  }
  .contribution_overveiw{
    width: 700px;
    padding: 10px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    border-right: 5px #122331 solid;
    border-radius: 5px;
    margin-left: 50px;
    margin-top: 80px;
    margin-bottom: 50px;
}
   .body_container{
    width:700px;
    height: 4700px;
    border: 2px #122331 solid;
    border-radius: 15px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    margin-left: 30px;
  }
  .body_container_1{
    width:700px;
    height: 4700px;
    border: 2px #122331 solid;
    border-radius: 15px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    margin-left: 30px;
  }
    .electrical, .step-by-step, .contribtution_parag{
    margin-left: 30px;
    margin-right: 30px;
  }
  .electrical h2{
    text-align: center;
    padding-top: 15px;
  }
  .contribution_table{
    align-items: center;
    margin-left: 20px;
  }
table{
    font-family: arial, sans-serif;
    font-weight: bold;
    border-collapse: collapse;
    width:650px;
    margin-left: 0px;
  }
  .contribtution_image{
     padding-left:30px; 
  }
  .contribtution_image img{
    width: 300px;
    margin-left: 0px;
   
  }
   .contribution_text{
    text-align: center;
  }
  iframe{
    width: 600px;
  }
}

@media screen and (max-width: 700px){
  .contribution_banner{
    width: 100%;
    height: 40vh;
    background-image: linear-gradient(rgba(9, 25, 77, 0.55),rgba(3, 22, 73, 0.55)), url(https://static.igem.wiki/teams/4746/wiki/cont-banner.jpg);
    background-position: center;
    background-size: cover;
    
}

.contribution_banner_text{
    color: white;
    font-size: 40px;
    margin: 0;
    position: absolute;
    top: 30%;
    left: 23%;
    text-transform: uppercase;
    transform: translate(-50%, -50%);
    width: 35vw;
  }
  .contribution_overveiw{
    width: 340px;
    padding: 10px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    border-right: 5px #122331 solid;
    border-radius: 5px;
    margin-left: 29px;
    margin-top: 80px;
    margin-bottom: 50px;
}
   .body_container{
    width:350px;
    height: 4110px;
    border: 2px #122331 solid;
    border-radius: 15px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    margin-left: 20px;
  }
  .body_container_1{
    width:350px;
    height: 4710px;
    border: 2px #122331 solid;
    border-radius: 15px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
    margin-left: 20px;
  }
    .electrical, .step-by-step, .contribtution_parag{
    margin-left: 30px;
    margin-right: 30px;
  }
  .electrical h2{
    text-align: center;
    padding-top: 15px;
  }
  .contribution_table{
    align-items: center;
    margin-left: 20px;
  }
table{
    font-family: arial, sans-serif;
    font-weight: bold;
    border-collapse: collapse;
    width:300px;
    margin-left: 0px;
  }
  .contribtution_image{
     padding-left:0px; 
  }
  .contribtution_image img{
    width: 200px;
    margin-left: 0px;
   
  }
   .contribution_text{
    text-align: center;
  }
  iframe{
    width: 230px;
  }
}