wp-calypso/client/me/connected-application-icon/style.scss

.connected-application-icon.plugin-icon.is-placeholder::before,
.connected-application-icon.plugin-icon[style*="undefined"]::before {
	content: "";
}

.connected-application-icon.plugin-icon {
	// !important necessary here since plugin-icon uses !important as well
	height: 40px !important;
	width: 40px !important;
	margin-left: 0;
	margin-right: 12px;

	@include breakpoint-deprecated( ">480px" ) {
		margin-left: 0;
	}
}