#PageMain {
 margin-top: -5px;
 margin-right: -15px;
 margin-left: -15px;
 /*background-color: #282828;*/
}

.primer29ex {
*/ background-image: repeating-linear-gradient(#acacac 20%, #acacac 33%, #2a2a2a 15%, #2a2a2a 45%); ~ WORKS!!! */
}

*/#PageMain {
 link ~ [https://www.w3schools.com/css/tryit.asp?filename=trycss3_gradient-linear_repeating]
 background-image: repeating-linear-gradient(#acacac 20%, #acacac 33%, #2a2a2a 15%, #2a2a2a 45%);
}
*/