#interactive{
    width:570px;
    font-family:verdana, sans-serif
}
.frag{
    width:570px;
    margin-bottom:0px;
    padding-top:20px;
    padding-bottom:20px;
    border-top:1px dashed gray;
    float:left;
}
#interactive .text{
    float:left;
    line-height:160%;
    font-family:georgia, serif;
    font-size:16px;
    width:350px;
}
.text p{
    margin-top:10px;
    margin-bottom:0px;
}
    .text em{
        font-style:italic;
    }
.ann{
    color:#1f4c57;
    width:200px;
    font-size:12px;
    margin-left:15px;
    float:left;
    overflow:hidden;
    line-height:150%;
}
.ann.clickable{
    cursor:pointer;
}
.annInner{
    background-color:#eff5f7;
    padding:7px;
}
    .ann em{
        font-style:normal;
    }
.btn_show, .btn_collapse{
    float:right;
    font-size:10px;
    cursor:pointer;
    margin-top:2px;
    color:#4d4d4d;
}
.btn_show.hover,.btn_collapse.hover{
    color:blue;
}
.btn_collapse{
    display:none;
}