Exchange 2016 CSS changes for unread messages

/*

_lvv_w = READING PANE ON
_lvv_w + _lvv_y = MSG IS READ
_lvv_w + _lvv_x = WITH MSG PREVIEW
_lvv_w + _lvv_A = VERTICAL BAR

_lvv_C1 = JUNK/OTHER FOLDERS, READING PANE ON
_lvv_C1 + _lvv_E1 = MSG IS READ
_lvv_C1 + _lvv_F1 = VERTICAL BAR

_lvv_2 = READING PANE OFF
_lvv_2 + _lvv_4 = MSG IS READ

_lvv_71 = JUNK/OTHER FOLDERS, READING PANE OFF
_lvv_71 + _lvv_91 = MSG IS READ
_lvv_71 + _lvv_81 = VERTICAL BAR

span.ms-fwt-sl = SENDER NAME AND TIME
span.ms-fwt-sl:not(.ms-fwt-sb) = SENDER NAME WITHOUT INCLUDING TIME
div._lvv_L1 = SENDER NAME in JUNK/OTHER FOLDERS

div.ms-fwt-sb = SUBJECT
span.ms-fwt-sb = TIME

.ms-bgc-nl = HOVERING
.ms-bgc-tl = SELECTED

*/

/* READING PANE ON : subject : NO MSG PREVIEW  */
div[aria-label="Mail list"] div._lvv_w:not(._lvv_y):not(._lvv_x) div.ms-fwt-sb,
div[aria-label="Mail list"] div._lvv_C1:not(._lvv_E1) div.ms-fwt-sb {
    font-size:14px;
    height:18px;
}

/* READING PANE ON : subject : WITH MSG PREVIEW */
div[aria-label="Mail list"] div._lvv_w._lvv_x:not(._lvv_y) div.ms-fwt-sb {
    font-size: 16px;
    height:20px;
}

/* READING PANE ON : sender name and time (time excluded [.ms-fwt-sb] without message preview) */
div[aria-label="Mail list"] div._lvv_w:not(._lvv_y):not(._lvv_x) span.ms-fwt-sl:not(.ms-fwt-sb),
div[aria-label="Mail list"] div._lvv_w._lvv_x:not(._lvv_y) span.ms-fwt-sl,
div[aria-label="Mail list"] div._lvv_C1:not(._lvv_E1) div._lvv_L1 {
    font-weight:bold;
    font-size:16px;
    height:20px;
}

/* READING PANE ON : time without message preview */
div[aria-label="Mail list"] div._lvv_w:not(._lvv_y):not(._lvv_x) span.ms-fwt-sb {
    font-weight:bold;
    font-size:14px;
    height:18px;
}

/* entire message block */
div[aria-label="Mail list"] div._lvv_w:not(._lvv_y):not(.ms-bgc-tl):not(.ms-bgc-nl),
div[aria-label="Mail list"] div._lvv_C1:not(._lvv_E1):not(.ms-bgc-tl):not(.ms-bgc-nl),
div[aria-label="Mail list"] div._lvv_2:not(._lvv_4):not(.ms-bgc-tl):not(.ms-bgc-nl),
div[aria-label="Mail list"] div._lvv_71:not(._lvv_91):not(.ms-bgc-tl):not(.ms-bgc-nl) {
    background:rgba(0,0,0,0.05);
}

/* vertical bar */
div[aria-label="Mail list"] div._lvv_w:not(._lvv_y) div._lvv_A,
div[aria-label="Mail list"] div._lvv_C1:not(._lvv_E1) div._lvv_F1,
div[aria-label="Mail list"] div._lvv_2:not(._lvv_4) div._lvv_3,
div[aria-label="Mail list"] div._lvv_71:not(._lvv_91) div._lvv_81 {
    width: 5px;
}