*{
    /*margin: 0px;
    padding: 0px;*/
    /*border: 1px dashed grey;*/
    text-align: center;
    color: white;
    background-color: lightgray;
    font-weight: 700;
}

h1, h2, h3{
    background-color: grey;
}

section{
    display: flex;
    flex-direction: column;
    height: 50vh;
}

section div{
    display: flex;
    flex-direction: row;
}

section div main{
    width: 70%;
    min-height:30vh ;
    background-color: blueviolet;
    padding: 5px;
}

section div main div.item{
    width: 10%;
    height: 10%;
    background-color: orange;
    border-radius: 10px;
    padding: 10px;
}

section div aside{
    width: 30%;
    margin: 5px;
    background-color: grey;
}

section div aside img{
    display: block;
    width: 100%;
}

/**
* Exercice 1
**/

section div#exercice-1 main{

}

/**
* Exercice 2
**/

section div#exercice-2 main{
    display:flex;
    justify-content: space-between;
    

}

/**
* Exercice 3
**/

section div#exercice-3 main{
    display: flex;
    flex-direction:column-reverse;
    justify-content:start
}

/**
* Exercice 4
**/

section div#exercice-4 main{
    display:flex;
    justify-content: space-evenly;
    flex-direction:row-reverse;
    
}

/**
* Exercice 5
**/

section div#exercice-5 main{
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}