/* RADIO BUTTONS */
[type="radio"] {
    visibility: hidden;
}

/* Radio button style */
[type="radio"]:not(:checked) + label,
[type="radio"]:checked + label {
    position: relative;
    padding-left: 20px;
    /*margin-left: -20px;*/
    cursor: pointer;
}

[type="radio"]:not(:checked) + label:before,
[type="radio"]:checked + label:before {
    content: '';
    position: absolute;
    left:0;
    top: 7px;
    width: 13px; height: 13px;
    border: 2px solid #cacaca;
    background: #fff;
    -webkit-border-radius: 50px;
    -moz-border-radius: 50px;
    border-radius: 50px;
}

/* Checked style */
[type="radio"]:not(:checked) + label:after,
[type="radio"]:checked + label:after {
    content: '';
    position: absolute;
    top: 7px;
    left: 0;
    width: 13px;
    height: 13px;
    background: darkblue;
    -webkit-border-radius: 50px;
    -moz-border-radius: 50px;
    border-radius: 50px;
    transition: all .2s;
}

/* checked mark aspect changes */
[type="radio"]:not(:checked) + label:after {
    opacity: 0;
    transform: scale(0);
}
[type="radio"]:checked + label:after {
    opacity: 1;
    transform: scale(1);
}

/* Label hover style */
label:hover:before {
    border: 2px solid #06C!important;
}


#book-page #quiz-question-header{
    /*height: 35px;*/
    padding-top: 5px;
    /*line-height: 35px;*/
    background: #FAFAFA;
}

.quiz-question{
    margin: 15px 0;
    border: 1px dashed lightgray;
    border-radius: 5px;
}

#book-page .quiz-question ul{
    list-style: none;
    margin: 0;
    padding: 0;
}

#book-page li.quiz-question-option{
    margin: 0;
    padding-left: 0;
    display: inline-block;
    width: 100%;
}

.question-text{
    border: 2px solid transparent;
    padding: 0 4px;
}

.question-text.correct{
    background-color: lightgreen;
    border: 2px solid green;
    border-radius: 5px;
    transition: background-color .15s ease-in-out;
    -moz-transition: background-color .15s ease-in-out;
    -webkit-transition: background-color .15s ease-in-out;
}

.question-text.incorrect{
    background-color: #ff6762;
    border: 2px solid maroon;
    border-radius: 5px;
    transition: background-color .15s ease-in-out;
    -moz-transition: background-color .15s ease-in-out;
    -webkit-transition: background-color .15s ease-in-out;
}

.question-text.skipped{
    background-color: #ffe765;
    border: 2px solid orange;
    border-radius: 5px;
    transition: background-color .15s ease-in-out;
    -moz-transition: background-color .15s ease-in-out;
    -webkit-transition: background-color .15s ease-in-out;
}