#ctt {
    text-align: justify;
}
#ctt header h1 {
    line-height: 3;
    font-weight: 600;
    font-size: 1.5rem;
    color: #3b3c3f;
}
#ctt_con {
    line-height: 1.6;
}
#ctt_con table, #ctt_con tbody, #ctt_con tr, #ctt_con td {
    text-align: center;
    border-collapse: separate;
    border: 1px solid white;
}
#ctt_con td {
    background-color: #ccc;
    padding: 5px;
}
#ctt_con ol {
    margin:0;
    padding-left:20px;
}
#ctt_con ol>li>ol {
    counter-reset: number 0;
    list-style: none;
    /*padding:0;*/
}
#ctt_con ol>li>ol>li::before {
    counter-increment: number 1;
    content: '(' counter(number) ')';
}
#ctt_con ol>li>ol>li {
    text-indent: -20px;
}