CSS Odd ровный ребенок
tr:nth-child(even) {background: #CCC}
tr:nth-child(odd) {background: #FFF}
Alive Albatross
tr:nth-child(even) {background: #CCC}
tr:nth-child(odd) {background: #FFF}.item:nth-child(odd) .description {
background-color: red;
}