Increase size width of sidefeed

/* Increase size width of sidefeed */
div#jeg_sidecontent {
    width: 380px; /* must be the same as the margin-left viewport */
}
.jeg_sidecontent .jeg_viewport {
    margin-left: 380px; /* must equal the sidefeed width */
}

.jeg_sidecontent .jeg_header.full {
    margin-left: -380px; /* must equal the sidefeed width */
}

#jeg_sidecontent .sidecontent_postwrapper,
#jeg_sidecontent .jspContainer {
    width: unset!important;
}