.d1{
    width: 800px;
    height: 432px;
    margin: 50px auto;
    box-shadow: 0px 15px 10px -5px #900;
    background-color: #EDEDED;
    background-size: contain;
    animation: fondu 40s ease-in-out infinite both;
}
.conteneur{
    max-width: 1000px;
    margin: 50px auto;
}
.d2{
    width: 100%;
    height: 0px;
    padding-top: 75%;
    box-shadow: 0px 0px 10px #1000;
    background-color: #EDEDED;
    background-size: contain;
    animation: fondu 50s ease-in-out infinite both;
}
.d1:hover, .d2:hover{
    animation-play-state: paused;
}
@keyframes fondu{
       0%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_4596.JPG");}
       5%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_4598.JPG");}
      10%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_4599.JPG");}
      15%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_4781.JPG");}
      20%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_4818.JPG");}
      25%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_4888.JPG");}
      30%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_4889.JPG");}
      35%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_4890.JPG");}
      40%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_5024.JPG");}
      45%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_5100.JPG");}
      50%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_5101.JPG");}
      55%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_5155.JPG");}
      60%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_5395.JPG");}
      65%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_7654.JPG");}
      70%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_7660.JPG");}
      75%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_7668.JPG");}
      80%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_7670.JPG");}
      85%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_7672.JPG");}
      90%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_7741.JPG");}
      95%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_7743.JPG");}
     100%{background-image: url("https://www.nicolasmasle.fr/2022_KZ2/images/2022_CDF_LC_Lyon/CLC_7802.JPG");}
}