.floater {
padding-right: 20px;
float: left;
margin-bottom: -20px;
}

#collage {
text-align: center;
}

#thanks {
font-size: 20px;
text-align: center;
font-style: italic;
}

#thanks p img{
border: 3px solid black;
}

#thanks p img:hover {
border-color: yellow;
}