#main_content{ min-height: 250px; }
#main_header h1{ top: 5px; }

#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;
}

input[type="text"]{
    pointer-events: none;
    border: 3px solid #df9a16;
    border-radius: 10px;
    width: 240px;
    padding: 5px;
    font-weight: bold;
    text-align: center;
    color: #df9a16;
    background: #fff;
}

div.item.show input[type="text"]{ pointer-events: auto; }

.box{
    position: relative;
    margin: auto;
    margin-top: 2px;
    margin-bottom: 2px;
    max-width: 400px;
}

.th{
    position: relative;
    display: inline-block;
    width: 120px;
    margin: auto;
    padding: 3px;
    padding-right: 3px;
    text-align: center;
    font-weight: bold;
}

.td{
    position: relative;
    display: inline-block;
    width: 250px;
    padding: 3px;
    text-align: center;
}