.choicebutton span {
    display:                        inline-block;
    width:                          261px;
    padding-top:                    20px;
    text-align:                     left;
}
#leftbound {
    position:                       relative;
    z-index:                        1;
}
#unknowndistance {
    position:                       relative;
    left:                           -15px;
    z-index:                        0;
}
#rightbound {
    position:                       relative;
    left:                           -30px;
    z-index:                        1;
}
#knownset1 {
    position:                       relative;
}
#unknownset {
    position:                       relative;
    left:                           -33px;
    z-index:                        1;
}
#knownset2 { 
    position:                       relative;
    left:                          -66px;
    z-index:                        0;
}
#knownset3 {
    position:                       relative;
    left:                          -64px;
}