#grey{
    color:grey;
}
#thumbnail{
    height=150px;
    width=200px;
}

h1.center{
    text-align:center;
    font-size: 50px;
    color:red;
}

ul{
    background-color:orange;
    list-style-image:url(https://randomstreetview.com/img/googleplus.png);
}
ol{
    list-style-type:decimal-leading-zero;
    background-color:green;
}


p{
    text-indent:50px;
    text-decoration:none;
    word-spacing:auto;
    background-color:greenyellow;
}
footer{
    font-size: 15px;
    color:blue;
}