anki-styles.css

/* 
  Source: https://www.reddit.com/r/Anki/comments/ggt5uf/edits_to_nightmode_not_working_trying_to_change/ 
*/
html {
  overflow: scroll;
  overflow-x: hidden;
}

/* CONTAINER FOR YOUR CARDS */
#kard {
  padding: 0px 0px;
  max-width: 700px;      /* CHANGE CARD SIZE HERE */
  margin: 0 auto;        /* CENTERS THE CARD IN THE MIDDLE OF THE WINDOW */
  word-wrap: break-word; /* BREAKS UP LONG WORKS */
}
ul {
  display: inline-block;
  text-align: left;
}
ol {
  display: inline-block;
  text-align: left;
}

/* APPLIES TO THE WHOLE CARD */
.card {
  font-family: calibri;
  font-size: 16px;         /* FONT SIZE */
  text-align: center;      /* ALIGN TEXT */
  color: black;            /* FONT COLOR */
  line-height: 1.2em;
  background-color: white; /* BACKGROUND COLOR */
}

/* STYLE FOR CLOZE DELETIONS */
.cloze, .cloze b, .cloze u, .cloze i {
  font-weight: normal;
  color: MediumSeaGreen !important;
}

/* STYLE FOR EXTRA PORTION ON BACK OF CARD */
#extra, #extra i {
  font-size: normal;
  color: normal;
  font-style: ;
}

/* STYLE TAGS TO APPEAR WHEN HOVERING OVER TOP OF CARD */
.tags {
  color: #A6ABB9;
  opacity: 0;
  font-size: 10px;
  width: 100%;
  text-align: center;
  text-transform: uppercase;
  position: fixed;
  padding: 0;
  top:0;
  right: 0;
}
.tags:hover {
  opacity: 1;
  position: fixed;
}

/* IMAGE STYLE */
img {
  display: block;
  max-width: 100%;
  max-height: none;
  margin-left: auto;
  margin: 10px auto 10px auto;
}
tr {
  font-size: 12px;
}

/* COLOR ACCENTS FOR BOLD-ITALICS-UNDERLINE */
b { /* BOLD STYLE */
  color: normal !important;
}
u { /* UNDERLINE STYLE */
  font-weight: bold;
  text-decoration: none;
  color: IndianRed;
}
i { /* ITALICS STYLE */
  font-style: normal;
  color: #5F89B2;
}
a { /* LINK STYLE */
  color: LightGray !important;
  text-decoration: none;
  font-size: 10px;
  font-style: normal;
}

/* ADJUSTMENT FOR NIGHT MODE */
.nightmode.card, .night_mode.card {
  color: #D7DEE9;          /* FONT COLOR */
  background-color: white; /* BACKGROUND COLOR */
}

/* ADJUSTMENT FOR NIGHT MODE CLOZE DELETIONS */
.nightmode .cloze, .night_mode .cloze {
  font-weight: normal;
  color: MediumSeaGreen !important; /* FONT COLOR */
}

/* ADJUSTMENT FOR MOBILE DEVICES */
.mobile .card {
  color: #D7DEE9;
  background-color: #333B45;
}
.mobile .tags:hover {
  opacity: 1;
  position: relative;
}

/*AMBOSS UNDERLINE*/
.amboss-mark {
  border-bottom: 2px solid rgba(72,74,74,0.2) !important;
  padding-bottom: .2px;
  text-decoration: none !important;
}
.amboss-mark:hover {
  border-bottom: rgba(72,74,74,.8) !important;
  background-color: grey;
}