body{ font-family: Calibri, Arial, sans-serif;

}
#wrapper{
    background-color: #e0e0e0;
    border-width:900px;
    margin:30px auto;
}
h1{
    font-size:2em;
    background-color:#d0cece;
}
ul{
    display:flex;
    justify-content: space-around;
}
img{
    border:3px solid #000;
    margin:15px 0 15px 0;
    padding:15px;
}