.glyphicon-unrecord:before {
    content: " ";
    box-shadow: 0 0 0 2px #878787 inset;
    border-radius: 50%;
    color: rgba(255,255,255,0);
    font-size: 0.98em;
    width:14px;
    height:14px;
    display: inline-block;
}
.ans-hint{
    display: none;
}
.exam-score{
    display: none;
}