body{
    font-family: Arial, sans-serif;
}

img{
    width: auto;
    height: 100px;
}

.main{
    display: flex;
    margin-left: 20px;
    margin-right: 20px;
    align-items: center;
    flex-wrap: wrap;
    align-content: center;
    justify-content: center;
}
.actu{
    background-color: #D9D9D9;
}
#img_analyse{
    width: 500px;
    height: 330px;
}

.secondary{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.btn{
    background-color: #515C3A;
    border-radius: 20px;
    width: 30%;
    color: white;
    padding: 15px;
    margin-bottom: 30px;
    text-decoration: none;
}

#img_competence{
    width: 800px;
    height: 450px;
}