@media (max-width: 850px) {
    main, main div{
        width: 95%;
        margin: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    h1{
        margin-top: 46px;
        padding: 15px;
        color: #235af0;
    }
    h3::before{
        content :"";
        height: 1px;
        width: 100px;
        background-color: #235af0;
        display: block;
        margin-right: 5px;
    }
    h3{
        align-items: center;
        display: flex;
        font-weight: 600;
        color: black;
        padding: 10px;
        justify-content: center;
        
    }
    h3::after{
        content :"";
        height: 1px;
        width: 100px;
        background-color: #235af0;
        display: block;
        margin-left: 5px;
    }
    .pict-container-mobile{
        background-size: contain;
        background-repeat: no-repeat;
     
        height:260px;
        width: 332px;
    }
    .recto{
        background-image: url('../img/verso-desktop.jpg');
       
    }
  

    
    .bio{
        font-size: 20px;
        text-align: center;
        padding-bottom: 15px;
    }

    .pict-container-desktop, .pict-theo-desktop{
        display: none;
    }
}
@media (min-width: 850px) {
    main{
        width: 80%;
        margin: auto;
        position: relative;

    }
    h1{
        display: none;
    }
    h3::before{
        content :"";
        height: 1px;
        width: 100px;
        background-color: #235af0;
        display: block;
        margin-right: 5px;
    }
    h3{
        display: flex;
        align-items: center;
        padding: 10px;
    }
   h3::after{
        content :"";
        height: 1px;
        width: 100px;
        background-color: #235af0;
        display: block;
        margin-left: 5px;
    }

    .pict-container-mobile{
        display: none;
    }
    .pict-container-desktop {
 
        position: relative;
     
        
    }
    main section{
        display: flex;
        
    }
    .pict-container-desktop img{
        width: 100%;
        height: 100%;
       
    }
    section:nth-of-type(1) .pict-container-desktop::before {
        content: "";
        position: absolute;
        background-color: #b7c9f3;
       width: 100%;
       height: 99%;
        top: 1px;
        right: 0;
        bottom: 0;
        left: 0;
        transition: opacity 0.5s ease, top 0.3s ease, right 0.3s ease, bottom 0.3s ease, left 0.3s ease; 
    }
    
    
    section:nth-of-type(1) .pict-container-desktop:hover::before {
        opacity: 0;
     
    }
    
    section:nth-of-type(2) .pict-container-desktop:hover::before {
        opacity: 0;
      
    }
    
    .pict-container-desktop:hover img {
        filter: brightness(1.1); 
       
    }
    
    section:nth-of-type(1) .pict-container-desktop::after {
        content: "";
        position: absolute;
        border: 5px solid #235af0;
        top: 20px;
        right: 20px;
        bottom: -20px; 
        left: -20px; 
        z-index: -1;
        transition: all 0.3s ease;
    }
    section:nth-of-type(2) .pict-container-desktop::after {
        content: "";
        position: absolute;
        border: 5px solid #235af0;
        top: 20px;
        right: -20px;  
        bottom: -20px;
        left: 20px;
        z-index: -1;
        transition: all 0.3s ease;
    }
     .pict-container-desktop img{
        object-fit: contain;
        mix-blend-mode:multiply;
        filter: grayscale(100%) contrast(1);


        
    }
    .pict-container-desktop img:hover {
        filter: none;  
    }
    
    section:nth-of-type(1) .pict-container-desktop:hover::after,section:nth-of-type(2) .pict-container-desktop:hover::after {
        top: 0px;  
        right: 0px;
        bottom: 0px;
        left: 0px;
        z-index: -1;
        opacity: 0;
    }
    
    .bio{
        width: 80%;
        max-width:700px;
        padding-left: 15px;
        font-size: 26px ;
        display: flex;
        align-items: center;
        flex-direction: column;
        justify-content: space-evenly;
        flex-wrap: wrap;
        text-align: justify;
        

    }
}