@media only screen and (min-device-width: 1366px)and (max-width: 1440px) {
    .downloadbt {
        margin-left: 40%;
        margin-right: auto;
        margin-top: 0px;
        margin-bottom: 140px;
    }

    .word {
        margin-top: 2%;
        margin-left: 30%;
    }

    .column-1 {
        width: 90%;
        height: auto;
        padding-top: 70px;
        padding-left: 70px;
        padding-bottom: 70px;
        margin: auto;
        margin-bottom: 50px;
        margin-top: 75px;
        background-color: white;
    }

    .slk {
        padding: 40px;
        padding-left: 20px;
        padding-right: 160px;
        padding-bottom: 60px;
        height: 450px;
        margin: 30px;
        margin-right: 160px;
        margin-bottom: 40px;
        margin-left: 85px;
        background-color: white;
        position: relative;
        width: auto;
    }

    .column-4 {
        float: left;
        width: 21%;
        padding: 10px;
        margin-bottom: 100px;
        margin-left: 120px;
        height: 250px;
    }

    Color and Images for Project Containers 
      
            .project-1 {
                background: url('../img/protoo.png');
                background-color: #209BFF;
                background-size: cover;
              }
              
              .project-2 {
              
                background:url('../img/mylogo.png');
                background-position-y:-35px;
                background-size: cover;
              }
              
              .project-3 {
                background:url('../img/logo.svg');
                background-size:250px;
                background-position-x: 25px;
                background-repeat: no-repeat;
                background-color:hsla(0, 0%, 100%, 0.623);
              }
              .openbt {
                margin-top: 250px;
                margin-left: 85px;
                  background-color:#47e1e6;
                  border-radius:34px;
                  border:1px solid #24c8d4;
                  display:inline-block;
                  cursor:pointer;
                  color:#241924;
                  font-family:Trebuchet MS;
                  font-size:18px;
                  font-weight:bold;
                  font-style:italic;
                  padding:12px 23px;
                  text-decoration:none;
                  text-shadow:-1px 0px 11px #305ed1;
              }
        /*col 5*/
        .column-5 {
            float: left;
            width: 20%;
            padding: 10px;
            margin-left: 45px;
            margin-bottom: 80px;
            height: 250px;
        }
}

@media only screen and (min-width: 1536px) and (max-width: 1600px) {
    .skl {
        padding: 40px;
        padding-left: 70px;
        padding-right: 160px;
        padding-bottom: 60px;
        height: 450px;
        margin: 30px;
        margin-right: 160px;
        margin-bottom: 40px;
        margin-left: 85px;
        background-color: white;
        position: relative;
        width: auto;
    }

    .column-4 {
        float: left;
        width: 21%;
        padding: 10px;
        margin-bottom: 100px;
        margin-left: 140px;
        height: 250px;
    }

    /* Color and Images for Project Containers  */

    .project-1 {
        background: url('../img/protoo.png');
        background-color: #209BFF;
        background-size: cover;
    }

    .project-2 {

        background: url('../img/mylogo.png');
        background-position-y: -55px;
        background-size: cover;
    }

    .project-3 {
        background: url('../img/logo.svg');
        background-size: 250px;
        background-position-x: 40px;
        background-repeat: no-repeat;
        background-color: hsla(0, 0%, 100%, 0.623);
    }

    .openbt {
        margin-top: 250px;
        margin-left: 100px;
        background-color: #47e1e6;
        border-radius: 34px;
        border: 1px solid #24c8d4;
        display: inline-block;
        cursor: pointer;
        color: #241924;
        font-family: Trebuchet MS;
        font-size: 18px;
        font-weight: bold;
        font-style: italic;
        padding: 12px 23px;
        text-decoration: none;
        text-shadow: -1px 0px 11px #305ed1;
    }

    /*col 5*/
    .column-5 {
        float: left;
        width: 21%;
        padding: 10px;
        margin-left: 45px;
        margin-bottom: 80px;
        height: 250px;
    }
}
@media only screen and (width: 1280px) {
    .downloadbt {
        margin-left: 40%;
        margin-right: auto;
        margin-top: 0px;
        margin-bottom: 140px;
    }
    .word {
        margin-top: 2%;
        margin-left: 30%;
    }

    .column-1 {
        width: 90%;
        height: auto;
        padding-top: 70px;
        padding-left: 70px;
        padding-bottom: 70px;
        margin: auto;
        margin-bottom: 50px;
        margin-top: 75px;
        background-color: white;
    }

    .slk {
        padding: 40px;
        padding-left: 20px;
        padding-right: 160px;
        padding-bottom: 60px;
        height: 450px;
        margin: 30px;
        margin-right: 160px;
        margin-bottom: 40px;
        margin-left: 19px;
        background-color: white;
        position: relative;
        width: auto;
    }

    .column-4 {
        float: left;
        width: 21%;
        padding: 10px;
        margin-bottom: 100px;
        margin-left: 120px;
        height: 250px;
    }

    /* Color and Images for Project Containers  */
      
            .project-1 {
                background: url('../img/protoo.png');
                background-color: #209BFF;
                background-size: cover;
              }
              
              .project-2 {
              
                background:url('../img/mylogo.png');
                background-position-y:-30px;
                background-size: cover;
              }
              
              .project-3 {
                background:url('../img/logo.svg');
                background-size:250px;
                background-position-x: 15px;
                background-repeat: no-repeat;
                background-color:hsla(0, 0%, 100%, 0.623);
              }
              .openbt {
                margin-top: 250px;
                margin-left: 85px;
                  background-color:#47e1e6;
                  border-radius:34px;
                  border:1px solid #24c8d4;
                  display:inline-block;
                  cursor:pointer;
                  color:#241924;
                  font-family:Trebuchet MS;
                  font-size:18px;
                  font-weight:bold;
                  font-style:italic;
                  padding:12px 23px;
                  text-decoration:none;
                  text-shadow:-1px 0px 11px #305ed1;
              }
        /*col 5*/
        .column-5 {
            float: left;
            width: 20%;
            padding: 10px;
            margin-left: 45px;
            margin-bottom: 80px;
            height: 250px;
        }
} 
@media (max-width:1024px){
    .downloadbt {
        margin-left: 35%;
        margin-right: auto;
        margin-top: 0px;
        margin-bottom: 140px;
    }
    .word {
        margin-top: 2%;
        margin-left: 30%;
    }
    .column-2 {
        float: left;
        width: auto;
        padding: 40px;
        padding-left: 70px;
        padding-right: 70px;
        height: 475px;
        margin: 30px;
        margin-right: 30px;
        margin-bottom: 70px;
        background-color: #FEDE00;
        line-height: 2;
      }
      
      /* Large profile image */
      .large-profile {
        display: none;
        background: url('../img/about.svg');
        background-size: cover;
        background-position: center;
      }
    .column-1 {
        width: 90%;
        height: auto;
        padding-top: 70px;
        padding-left: 70px;
        padding-bottom: 70px;
        margin: auto;
        margin-bottom: 50px;
        margin-top: 75px;
        background-color: white;
    }

    .slk {
        padding: 40px;
        padding-left: 55px;
        padding-right: 110px;
        padding-bottom: 60px;
        height: 450px;
        margin: 30px;
        margin-right: 100px;
        margin-bottom: 40px;
        margin-left: 19px;
        background-color: white;
        position: relative;
        width: auto;
    }

    .column-4 {
        float: left;
        width: 21%;
        padding: 10px;
        margin-bottom: 100px;
        margin-left: 100px;
        height: 250px;
    }

    /* Color and Images for Project Containers  */
      
            .project-1 {
                background: url('../img/protoo.png');
                background-color: #209BFF;
                background-size: cover;
              }
              
              .project-2 {
              
                background:url('../img/mylogo.png');
                background-position-y:-20px;
                background-position-x:-15px;
                background-size: cover;
              }
              
              .project-3 {
                background:url('../img/logo.svg');
                background-size:250px;
                background-position-x: -15px;
                background-repeat: no-repeat;
                background-color:hsla(0, 0%, 100%, 0.623);
              }
              .openbt {
                margin-top: 250px;
                margin-left: 35px;
                  background-color:#47e1e6;
                  border-radius:34px;
                  border:1px solid #24c8d4;
                  display:inline-block;
                  cursor:pointer;
                  color:#241924;
                  font-family:Trebuchet MS;
                  font-size:18px;
                  font-weight:bold;
                  font-style:italic;
                  padding:12px 23px;
                  text-decoration:none;
                  text-shadow:-1px 0px 11px #305ed1;
              }
        /*col 5*/
        .column-5 {
            float: left;
            width: 20%;
            padding: 10px;
            margin-left: 45px;
            margin-bottom: 80px;
            height: 250px;
        }
        .Certificates-3 {

            background: url('../img/Cert3.png');
            background-size: cover;
            background-position-x:-20px;
          }
          
          .Certificates-4 {
            background: url('../img/cert4.png');
            background-size: cover;
            background-position-x:-55px;
          }
}