.customSelect {
/* This is the default class that is used */
/* Put whatever custom styles you want here */
}

.customSelect.customSelectHover {
/* Styles for when the select box is hovered */
}

.customSelect.customSelectOpen {
/* Styles for when the select box is open */
}

.customSelect.customSelectFocus {
/* Styles for when the select box is in focus */
}

.customSelect.customSelectDisabledOption {
/* Styles for when the selected item is a disabled one */
}

.customSelect.customSelectDisabled {
/* Styles for when the select box itself is disabled */
}

.customSelectInner {
/* You can style the inner box too */
}