div.art-1 {
background-color: #efefef; border: 1px #000000 solid; padding: 5px 7px 5px 7px;
}

div.art-2 {
background-color: #e0fcff; border: 1px #000000 solid; padding: 5px 7px 5px 7px;
}

div.art-3 {
background-color: #ecc7a9; border: 1px #000000 solid; padding: 5px 7px 5px 7px;
}