#partie1
{
    background-color: black;
    color: greenyellow;
    width: 20%;
}
#partie2
{
    background-color: gray;
    width: 75%;
    padding-left: 50px;
}
body
{
    display: inline-flex;
    width: 100%;
}
#logoportefolio
{
    width: 40%;
    margin-left: 18%;
    border: 1px solid red;
    border: 2px solid green;
    border-radius: 50%;
}
h3
{
    text-decoration: underline;
    color: blue;
}   
#nom
{
    text-align: center;
    background-color: brown;
    color: white;
}