body{
    background: rgb(255, 255, 255);
}
.fixed-block {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgb(50, 195, 206);
    color: #fff;
    text-align: center;
    z-index: 1000;
}
.content {
    margin-top: 90px; /* Pour éviter que le contenu soit caché derrière le bloc fixe */
    padding: 40px;
}

.back{
    background-color: white;
    width: max-content;
    margin: 50px;
    border-radius: 20px;
    border: 4px inset #ffffff;
    display:grid;
    position:fixed;
}
.back:hover{
    border: 4px inset black;
}

.titrenomove{
    font-family:Verdana, Geneva, Tahoma, sans-serif;
    top: 30px;
}

img.presentation{
    border-radius: 30px;
    clip: rect(0,-100px,0,-100px);
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
    float: right;
    width: 500px;
    height: 300px;
}
img.presentation:hover{
    border: 4px groove rgb(147, 50, 177);
    width: 600px;
    height: 375px;
}
td.titresport{
    font-size: xx-large;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
}