* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: white;
    background-image: url(./images/logo_mini.png);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
}

main {
    background-color:rgba(239, 248, 255, 0.8);
    padding: 25px;
    width: 90%;
    margin: 0 auto;
    border: 1px solid rgb(115, 201, 221);
}
header {
    display: flex;
    flex-direction: column;
    align-content: center;
}
header h2 {
    text-align: center;
}

header p {
    text-align: center;
}

header .petit_texte {
    font-size: .75rem;
}

.portrait {
    border: 2px solid black;
    border-radius: 50%;
    margin: auto;
    width: 200px;
}

section {
    width: 100%;
    padding: 20px;
    margin: 0 auto;
}

ul {
    list-style-type: none;
}

li, p {
    color: hsl(229, 22%, 40%);
    margin-top: 1%;
}

li:before {
   content: '- ';
}

h1 {
    text-align: center;
    color: rgb(82, 145, 189);
    margin-top: 2%;
}

h2 {
    text-align: left;
    color: rgb(0, 0, 117);
    margin-top: 2%;
}

.linked_in {
    margin-top: 2%;
}

@media only screen and (min-width: 900px) {
    main {width: 60%;}
    header {flex-direction: row; align-items: center;}
    section { width: 80%;}
    h1 {font-size: 2.5rem;}
    .portrait { width: 400px;}
}