html,body{
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    margin:0%;
 
    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    
}
main{
    max-height: 100%;
    min-height: 92.9%;
    height: auto;
    border: 0px dashed green;
    background: url(../image/imgh.jpg);
    background-size: cover;
    background-attachment: fixed;
    margin-bottom: 0;
}
  
.navigation{
    box-shadow: 0;
}
.brand-logo{
    margin-left: 9%;
    border:0px solid red;
    padding: 0;
    padding-bottom: 0;
    height: inherit;
   
}
.brand-logo img{
    margin: 0;
    margin-bottom: 0;
    height: inherit;
}
.menu_link{
    display: inline-block;
}
.navi_tab{
    margin-left: 20%;
    
}
.navi_tab li{
    font-weight: bold;
}
.log_sign{
    margin-right: 10%;
}
.li_user_view{
    display: inline-block;
    border-bottom: inset 2px red;
   
}

.sign{
    padding:2%;
    width: 80px;
    height: 40px;
    font-size: 15px;
    border: 0;
    border-radius: 5px;
    font-weight: bold;
}
.log_sign li > a{
    font-size: 15px;
    font-weight: bold;
}
/* le footer */
footer .footer-copyright p a {
    border: 0px solid black;
    display: inline-block;
    padding-bottom: 0px;
    padding-top: 0px;
    margin-right: 6px;
    
}
footer .footer-copyright p a img{
    border: 0px solid black;
    width: 35px;
    height: 35px;
    filter: grayscale(100%);
}
footer .footer-copyright p a:hover img{
   
    filter: none;
}
.copy_right{
    width: 250px;
    
    margin-top: 2%;
}
/*le bouton pour revenir en haut*/
#button {
    display: inline-block;
    background-color: #FF9800;
    width: 50px;
    height: 50px;
    text-align: center;
    border-radius: 4px;
    position: fixed;
    bottom: 30px;
    right: 30px;
    transition: background-color .3s, 
      opacity .5s, visibility .5s;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
  }
  #button::after {
    content: "\2B9D";
    font-family: FontAwesome;
    font-weight: normal;
    font-style: normal;
    font-size: 2em;
    line-height: 50px;
    color: #fff;
  }
  #button:hover {
    cursor: pointer;
    background-color: #333;
  }
  #button:active {
    background-color: #555;
  }
  #button.show {
    opacity: 1;
    visibility: visible;
  }
  /*fin bouton*/
  .dropdown-content {
    background-color: #FFFFFF;
    margin: 0;
    display: none;
    min-width: 300px; /* Changed this to accomodate content width */
    max-height: auto;
      margin-left: -1px; /* Add this to keep dropdown in line with edge of navbar */
    overflow: hidden; /* Changed this from overflow-y:auto; to overflow:hidden; */
    opacity: 0;
    position: absolute;
    white-space: nowrap;
    z-index: 1;
    will-change: width, height;
  }



/* la partie mobile*/
@media screen and (max-width:990px) {
    html,body{
        width: 100%;
        height: 100%;
        box-sizing: border-box;
        font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif
    }
    .brand-logo{
        margin:auto;
    }
    .current_vid .title_part , .expect_part .row .card-title{
        text-align: center;
    }
    .current_vid .sub_title_part{
        text-align: center;
        line-height: 1.2;
    }
    #button {
        margin: 30px;
      }

}

/* la partie mobile*/
@media screen and (max-width:395px) {
    body{
        
    }
    .brand_spa{
        margin: auto;
        font-size: 0.85em;
    }
    

}
/* version desktop*/
@media screen and (min-width:1024px ) and (max-width:1600px){
    body{
        /*pour tester la partie de l'affichage*/
    }
    .brand_spa{
        margin: auto;
        font-size: 0.85em;
    }
    .app_front_image img{
        
        width: 100em;
        height: auto;
        object-fit: fill;
    }
    .brand-logo{
        
    }
    .navi_tab{
        margin-left: 28%;
    }
    .expect_part .expect_row{
        display: block;
        
        padding: 0;
        text-align: center;
    }
    .expect_part .expect_row .card-image{
       width: 100%;
       border: 3px solid red;
       margin: auto;
       padding: 0;
    }
    .expect_part .expect_row .card-content{
        width: 100%;
        border: 3px solid red;
        margin: auto;
        margin-top: 0;
        padding: 0;
     }
     .expect_part .expect_row .card-content .card-title{
        text-align: center;
     }
    .expect_part .expect_row img{
      
      object-fit: fill;  
    }
    .cat_page .cat_elmnt{
        width: auto;
        height: auto;
        
    }

    .cat_page img{
        width: auto;
        height: auto;
        
    }
    .num_page .promo{
        width: auto;
        height: auto;
        padding: auto;
        
    }
    .promo span{
        font-size: 2em;
    }
    .promo .promo-caption{
        font-size: 1em;
    }

}