@media screen and (min-width:1200px){
    .textContaine{
        background: #eeeeee;
        height:872px;
        border: 1px solid #fff;
        
    }
    
    .contantBan{
        position: relative;
        width:1200px;
        height:460px;
        display:flex;
        margin:0 auto;
    
    }
    
    .contantBan .img{
        width: 100%;
        height:100%;
        flex-shrink: 0;
    }
    
    .contantBan .text{
        position: absolute;
        width: 40%;
        right:0;
        height:90%;
        background: #fff;
    }
    .offline{
        margin-top:50px;
        margin-left:40px;
        font-size:35px; color:#333
    }
    .welcome{
        margin-top:44px;
        margin-left:40px;
        font-size:22px; 
        color:#666
    }
    .interNet{
        margin-top:20px;
        margin-left:40px;
        font-size:22px; 
        color:#666
    }
}
@media screen and (max-width:1200px){
    .contantBan{
        position: relative;
        width: 90%;
        height: 460px;
        display:flex;
        margin:0 auto;
    
    }
    
    .contantBan .img{
        width: 100%;
        height:100%;
        flex-shrink: 0;
    }
    
    .contantBan .text{
        position: absolute;
        width: 40%;
        right:0;
        height:90%;
        background: #fff;
    }
    .offline{
        margin-top:50px;
        margin-left:40px;
        font-size:35px; color:#333
    }
    .welcome{
        margin-top:44px;
        margin-left:40px;
        font-size:22px; 
        color:#666
    }
    .interNet{
        margin-top:20px;
        margin-left:40px;
        font-size:22px; 
        color:#666
    }
}
@media screen and (max-width:760px){
   
    .contantBan{
        position: relative;
        width: 90%;
        height: 270px;
        display: flex;
        margin: 0 auto;
    
    }
    .contantBan .img{
        width: 100%;
        height:100%;
        flex-shrink: 0;
    }
    
    .contantBan .text{
        position: absolute;
        width: 40%;
        right:0;
        height:75%;
        background: #fff;
        padding: 0;
    }
    .offline{
        margin-top:38px;
        margin-left:40px;
        font-size:16px; color:#333
    }
    .welcome{
        margin-top:44px;
        margin-left:40px;
        font-size:12px; 
        color:#666
    }
    .interNet{
        margin-top:20px;
        margin-left:40px;
        font-size:12px; 
        color:#666
    }
}