Custom report reasons, with two different versions: post and comment reasons combined or separate

Combined (posts and comments using same reasons).css

/* Remove default reason */

.report-form li:not(:last-child) label {                        /* For users */
    font-size: 0;
}

.report-reasons li.report-reason[title="spam"],                 /* For mods */
.report-reasons li.report-reason[title="vote manipulation"],
.report-reasons li.report-reason[title="personal information"],
.report-reasons li.report-reason[title="sexualizing minors"],
.report-reasons li.report-reason[title="breaking reddit"] {
    font-size: 0;
}

/* Re-set the size of the custom reasons */

.report-form li label:after {                   /* For users */
    font-size: 12px;
}

.report-reasons li.report-reason:after {        /* For mods */
    display: inline-block;
    height: 16px;
    position: relative;
    top: 9px;
    font-size: 10px;
}

/* Reasons */

.report-form li:nth-child(1) label:after,
.report-reasons li.report-reason[title="spam"]:after {
    content: "Custom reason 1";
}

.report-form li:nth-child(2) label:after,
.report-reasons li.report-reason[title="vote manipulation"]:after{
    content: "Custom reason 2";
}

.report-form li:nth-child(3) label:after,
.report-reasons li.report-reason[title="personal information"]:after{
    content: "Custom reason 3";
}

.report-form li:nth-child(4) label:after,
.report-reasons li.report-reason[title="sexualizing minors"]:after{
    content: "Custom reason 4";
}

.report-form li:nth-child(5) label:after,
.report-reasons li.report-reason[title="breaking reddit"]:after{
    content: "Custom reason 5";
}

Separate (posts and comments using different reasons).css

/* Remove default reason */

.report-form li:not(:last-child) label {                        /* For users */
    font-size: 0;
}

.report-reasons li.report-reason[title="spam"],                 /* For mods */
.report-reasons li.report-reason[title="vote manipulation"],
.report-reasons li.report-reason[title="personal information"],
.report-reasons li.report-reason[title="sexualizing minors"],
.report-reasons li.report-reason[title="breaking reddit"] {
    font-size: 0;
}

/* Re-set the size of the custom reasons */

.report-form li label:after {                   /* For users */
    font-size: 12px;
}

.report-reasons li.report-reason:after {        /* For mods */
    display: inline-block;
    height: 16px;
    position: relative;
    top: 9px;
    font-size: 10px;
}

/* Post/link reasons */

.thing.link .report-form li:nth-child(1) label:after,
.thing.link .report-reasons li.report-reason[title="spam"]:after {
    content: "Custom post reason 1";
}

.thing.link .report-form li:nth-child(2) label:after,
.thing.link .report-reasons li.report-reason[title="vote manipulation"]:after{
    content: "Custom post reason 2";
}

.thing.link .report-form li:nth-child(3) label:after,
.thing.link .report-reasons li.report-reason[title="personal information"]:after{
    content: "Custom post reason 3";
}

.thing.link .report-form li:nth-child(4) label:after,
.thing.link .report-reasons li.report-reason[title="sexualizing minors"]:after{
    content: "Custom post reason 4";
}

.thing.link .report-form li:nth-child(5) label:after,
.thing.link .report-reasons li.report-reason[title="breaking reddit"]:after{
    content: "Custom post reason 5";
}

/* Comment reasons */

.thing.comment .report-form li:nth-child(1) label:after,
.thing.comment .report-reasons li.report-reason[title="spam"]:after {
    content: "Custom comment reason 1";
}

.thing.comment .report-form li:nth-child(2) label:after,
.thing.comment .report-reasons li.report-reason[title="vote manipulation"]:after{
    content: "Custom comment reason 2";
}

.thing.comment .report-form li:nth-child(3) label:after,
.thing.comment .report-reasons li.report-reason[title="personal information"]:after{
    content: "Custom comment reason 3";
}

.thing.comment .report-form li:nth-child(4) label:after,
.thing.comment .report-reasons li.report-reason[title="sexualizing minors"]:after{
    content: "Custom comment reason 4";
}

.thing.comment .report-form li:nth-child(5) label:after,
.thing.comment .report-reasons li.report-reason[title="breaking reddit"]:after{
    content: "Custom comment reason 5";
}