#progress, #solution{
    margin-bottom: 75px;
}

#main_icon{
    background-image: url(../img/activity.png);
    background-position: center center;
    background-repeat: no-repeat;
}

#main_nav{
    text-align: right;
    padding-left: 5%;
    padding-right: 5%;
}

.nav_button{
    background: #1696d7;
    border: 1px solid #fff;
    margin: auto;
    margin-top: 5px;
    width: 110px;
}

.nav_button:hover{
    background: #f08734;
    border: 1px solid #fff;
}

div.item_slideshow{
    position: relative;
    display: block;
    margin: auto;
    padding: auto;
}

div.item{
    position: absolute;
    left: 0; right: 0; top: 0;
    opacity: 0;
    overflow: hidden;
    text-align: center;
    padding: 5px;
    padding-bottom: 25px;
    color: #02202f;
}

div.item.show{
    position: relative;
    transition: 0.5s opacity;
    opacity: 1;
    z-index: 5;
}

div.item p{ text-align: left; }

.option{
    background: transparent;
    border: none;
    border-radius: 7px;
    padding-left: 2px;
    padding-right: 2px;
    color: #189adc;
    pointer-events: auto;
}

.option.active{
    background: #189adc;
    color: #fff;
}

.option:hover{
    cursor: pointer;
}

.option.active.correct{ background: #5fcc5f;}
.option.active.incorrect{ background: #f40b03;}


#progress p,
#solution p{
    line-height: 1.15em;
    margin: 0;
    padding:0;
}

#progress .option, #solution .option{ pointer-events: none; }