.Sommaire{
    color :blue;
    font-size: 25px;
}

h1{

    color : rgb(200, 0, 0);
    font-size: 100px;
    font-weight: bold;
    font-style: italic;
    font-family: fantasy;
    text-align: center;
    text-transform: uppercase;
    text-shadow: -10px 15px 2px rgb(40, 40, 40);
}

p{
    font-size: 19px;
}

li{
    font-size: 18px;
}

div{
    display: flex;
}

#Def{
    padding-right: 300px;
}