h2 {
    color: black;
    margin: 10px;
}


ol, ul{
    font-family: math;
}

p {
    font-family: "Georgia";
}

h1 {
    text-align: center;
    text-shadow: 2px 2px 1px rgba(0,0,0,0.2);
}

.indent{
    margin: 20px;
}

body {
    background-color: #DFF0F5;
}

.PP{
    border-top: 3px solid;
    border-right: 3px solid;
    border-bottom: 3px solid;
    border-left: 3px solid;
    border-radius: 15px;
    box-shadow: 6px 6px 25px rgba(0, 0, 0, 0.5);
}

.dde-solver{
    border-radius: 15px;
    box-shadow: 6px 6px 25px rgba(0, 0, 0, 0.5);
}

a {
    color: #0939B5;
}

a:hover {
    color: #2F5963;
}

a:active {
    background-color: #96402F;
}

a:visited {
    color: #5409DE;
}

mark {background: #F0C492!important}

.conteneur {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    flex-wrap: wrap;
}