Added highlighting for unsubmitted grades
Added highlighting for unsubmitted grades

noellekimiko/HMC-Grader,noellekimiko/HMC-Grader,CSGreater-Developers/HMC-Grader,CSGreater-Developers/HMC-Grader,CSGreater-Developers/HMC-Grader,noellekimiko/HMC-Grader,CSGreater-Developers/HMC-Grader,noellekimiko/HMC-Grader,noellekimiko/HMC-Grader,CSGreater-Developers/HMC-Grader,noellekimiko/HMC-Grader