.classYellow {
   background-color: yellow !important;
}

.classRed {
   background-color: #FF5733 !important;
}

.classTransparent {
   background-color: transparent !important;
}

.classBlue {
   background-color: #428bca !important;
}

.classOrange {
   background-color: #ffa500 !important;
}

.classLightBlue {
   background-color: #82CAFA !important;
}

.classGreen {
   background-color: #41ca56 !important;
}

.classPurple {
   background-color: #9370DB !important;
}