Get rid of HumHubs border radius

theme.less

/**
 * Define or overwrite your theme selectors within this file.
**/

//
// HumHub CSS override
// remove border-radius (HumHub v. 1.2.4)
//
.badge,
.btn,
.form-control.form-search,
.form-group-search, .form-button-search,
.grid-view .filters input,
.grid-view .filters select,
.grid-view img,
.userInput,
.spaceInput,
.markdown-render pre,
.markdown-render pre code,
[data-ui-markdown] pre,
.img-rounded,
.modal-content,
.panel,
.label,
.form-control,
.panel .panel-heading .heading,
.panel-profile .panel-profile-header .img-profile-header-background,
.profile-user-photo-container .profile-user-photo,
.popover,
.progress,
.dropdown-menu,
.nav-tabs > li > a,
.nav-pills > li > a,
#space-menu-dropdown .input-group-addon,
#space-menu-dropdown .input-group-addon.focus,
.load-suppressed a,
.tags .tag,
#topbar-first .notifications .btn-group > a,
.well-small,
.regular-checkbox + .regular-checkbox-box,
.select2-container--humhub .select2-selection,
// calendar plugin
.fc-state-default.fc-corner-left,
.fc-state-default.fc-corner-right,
{
	-webkit-border-radius: 0 !important;
	-moz-border-radius: 0 !important;
	border-radius: 0 !important;
}

@media (max-width: 991px) {
	.list-group-item {
		border-radius: 0 !important;
	}
}