#picturelist {
text-align:left;
margin-right:auto;
margin-left:auto;
}

#picturelist li {
list-style:none;
float:left;
margin:42px;
font-weight:bold;
color:#777777;
}

#picturelist img{
display:block;
border:2px solid gray;
}

#picturelist img:hover{
border:2px solid #515151;
}

#picturelist a{
color:#777777;
text-decoration:none;
}

#picturelist a:hover{
color:#999999;
}