.reliable-img{
    max-width: 1920px;
    min-width: 1100px;
    margin-top: 120px;
}
.reliable-img img{
    width: 100%;
    height: auto;
}







.separat-theory{
    margin-top: 120px;
}
.separat-theory .relay-tit{
    visibility: hidden;
}
.separat-theory .relayb-tdma{
    margin-top: 110px;
    visibility: hidden;
}
.separat-theory .relayb-tdma .tdma-img{
    width: 43%;
}
.separat-theory .relayb-tdma .tdma-txt{
    width: 43%;
}

.scrollTopl , .scrollTopm , .scrollTopn{
    visibility: hidden;
}


.separat-referen{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.separat-referen .references-tab{
    width: 49%;
    visibility: hidden;
}



.feature-ul li h3{
    color: #222222;
}




@media only screen and (max-width: 1420px) {

    .reliable-img{
        margin-top: 90px;
    }


    .separat-theory{
        margin-top: 90px;
    }
    
    .separat-theory .relayb-tdma{
        margin-top: 80px;
    }
    .separat-theory .relayb-tdma .tdma-img{
        width: 43%;
    }
    .separat-theory .relayb-tdma .tdma-txt{
        width: 43%;
    }

}








@media only screen and (max-width: 769px) {

    .reliable-img{
        max-width: 100%;
        min-width: 100%;
        margin-top: .9rem;
    }

    .separat-theory{
        margin-top: .9rem;
    }
    
    .separat-theory .relayb-tdma{
        margin-top: .8rem;
    }
    .separat-theory .relayb-tdma .tdma-img{
        width: 100%;
    }
    .separat-theory .relayb-tdma .tdma-txt{
        width: 100%;
    }






    .separat-theory .relay-tit{
        visibility: visible;
    }
    .separat-theory .relayb-tdma{
        margin-top: 110px;
        visibility: visible;
    }

    .scrollTopl , .scrollTopm , .scrollTopn{
        visibility: visible;
    }
    
    
    .separat-referen{
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    .separat-referen .references-tab{
        width: 49%;
        visibility: visible;
    }








    .separat-referen{
        flex-direction: column;
    }
    .separat-referen .references-tab{
        width:100%;
    }





    
}