.single-img {
    width: 100%;
}

/* custom list styling */

/* level 1 (top) */
ul > li { list-style-type: disc; }

/* level 2 */
ul > li > ul > li { list-style-type: disc; }

/* level 3 */
ul > li > ul > li > ul > li { list-style-type: disc; }

ol,                         /* level 1 */
ol > li > ol,               /* level 2 */
ol > li > ol > li > ol {    /* level 3 */
  list-style-type: none;
  margin: 0;
  padding: 0;
}

ol {
    counter-reset: level1; /* first level counter - for 1, 2, 3 */
}
ol > li > ol {
    counter-reset: level2; /* second level counter - for 1.1, 1.2 */
}
ol > li > ol > li > ol {
    counter-reset: level3; /* third level counter - for (a), (b) */
}
ol > li {
    display: block;
}

ol >li:before {
    margin-right: 10px;
}

[dir="rtl"] ol >li:before {
    margin-left: 10px;
    margin-right: 0;
}

ol > li:before {
    width: 13px;
    content: counter(level1)"."; /* display current item number + dot */
    counter-increment: level1; /* increment counter everytime a new element of that level is encountered */
}
ol > li > ol > li:before {
    width: 21px;
    content: counter(level1)"." counter(level2); /* format level 1 counter + dot + level 2 counter */
    counter-increment: level2;
}
ol > li > ol > li > ol > li:before {
    width: 40px;
    content: counter(level1)"." counter(level2)"." counter(level3);
    counter-increment: level3;
}