wp-calypso/client/jetpack-cloud/sections/partner-portal/select-partner-key-dropdown/style.scss

.select-partner-key-dropdown {
	@include breakpoint-deprecated( "<960px" ) {
		width: 100%;
		margin-bottom: 16px;
		margin-left: 0;

		.select-dropdown__container {
			width: 100%;
		}
	}
}