body{
    margin: 0;
    background: #000000;
    flex-direction: column;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Roboto Mono", monospace, serif, sans-serif;
    color: azure;
    text-align: center;
}
h1{
    margin: 25px;
}
h2{
    margin-top: 25px;
}
div{
    margin: 10px;
}
nav a{
    color: azure;
    font-size: 20px;
    margin: 10px;
}
.imgCours{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;}
.imgCours img{
    width: 200px;
    height: auto;
    border: 2px solid azure;
    border-radius: 10px;
    transition-duration: 0.3s;
    scale: 0.95;
}
.imgCours img:hover{
    scale: 1.05;
    cursor: pointer;
}

@media (max-width: 725px) {
    .imgCours{
        flex-direction: column;
        align-items: center;
    }
    .imgCours img{
        width: 50%;
    }
}