CSS fill pattern

To create the fill pattern image, check out the following website:

     http://www.patternify.com/

/*dots*/

.inactive_cell2 {
    background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAYAAACp8Z5+AAAAEklEQVQImWNgYGD4z0AswK4SAFXuAf8EPy+xAAAAAElFTkSuQmCC");
    background-repeat: repeat;
}

To create strips without using any image data,

    https://css-tricks.com/stripes-css/

/*stripes*/
.inactive_cell {   
    background: repeating-linear-gradient( 48deg, #fefefe, #e0e0e1 5px, #eaeaea 5px, #eaeaea 10px );
}