@media (max-width:1500px){
    iframe{
       width:450px;
        height:250px;;
    }
    video{
        width: 450px;
        height: 250px;
    }
}
@media (max-width:1170px){
 

nav ul{
    display: flex;
    flex-direction: column;
    text-align: center;
    font-size: x-large;
    }

iframe{
    width:250px;
     height:150px;
    }

.cv{
    margin: 0px;
    padding: 0px;
    width: 100%;
    font-size: 100%;
    }

article{
    margin: 0px;
    padding: 0px;
    width: 100%;
    height: 100%;
    font-size: 100%;
    }

   

}

@media (max-width:500) {
    iframe{
    width:150px;
     height:50px;;
    }
}

@media (max-width:940px){
    article{
        margin: 0px;
        padding: 0px;
        width: 100%;
        height: 100%;
        font-size: 100%;
        display: inline-flex; 
       flex-direction: column;
    }

    .ubi{
        font-size: small;
        width: 100%;
        height: 100%; 
       }

   aside{
       width: 80em;
       height: 100%;
       margin: 0px;
       padding: 0px;
   }
}

@media (max-width:1080px){

    .ubi{
        width: 80em;
       height: 100%;
       margin: 0px;
       padding: 0px;
       font-size:x-large;
    }

    aside{
        font-size:x-large;
        width: 100%;
        height: 100%; 
    }
    
    iframe{
        width: 90%;
    }
    video{
        width:90% ;

    }
    audio{
        width: 90%;
    }
}