I found the answer to question #1:
.que.multichoice .qtext{color: #000000; font-family: Tahoma;}
.que.multichoice .answer{color: #000000; font-family: Tahoma;}
.que.truefalse .qtext {color: #000000; font-family: Tahoma;}
.que.truefalse .answer {color: #000000; font-family: Tahoma;}
.que.match .answer{color: #000000;}
.que.match .qtext{color: #000000;}
.que.description .qtext{color: #000000; font-family: Tahoma;}
.que.multichoice .qtext{color: #000000; font-family: Tahoma;}
.que.multichoice .answer{color: #000000; font-family: Tahoma;}
.que.truefalse .qtext {color: #000000; font-family: Tahoma;}
.que.truefalse .answer {color: #000000; font-family: Tahoma;}
.que.match .answer{color: #000000;}
.que.match .qtext{color: #000000;}
.que.description .qtext{color: #000000; font-family: Tahoma;}