MediaWiki:Common.css

/* CSS placed here will be applied to all skins */
/* CSS placed here will be applied to all skins */
.top_banners .banner_1 {
    display: inline-block;
    width: 64%;
}

.top_banners .banner_2 {
    display: inline-block;
    width: 34%;
}

.top_banners img {
    width: 100%;
    height: auto;
}

.top_banners p {
    padding: 0px;
    margin: 0px;
}

.wiki-columns:before,
.wiki-columns:after {
  content: "";
  display: table;
}

.wiki-columns:after {
  clear: both;
}

.wiki-columns {
  display: flex;
  flex-wrap: wrap;
  margin-left: -10px;
  margin-right: -10px;
  margin-bottom: 1em;
}

.wiki-columns > * {
  float: left;
  box-sizing: border-box;
  padding: 0 10px;
  margin: 1em 0px;
}

.wiki-columns.wiki-columns-4 > * {
  width: 25%;
  width: calc(25% - 1px);
}

.wiki-columns.wiki-columns-3 > * {
  width: 33.3%;
  width: calc(33.3% - 1px);
}

.wiki-columns.wiki-columns-2 > * {
  width: 50%;
  width: calc(50% - 1px);
}

.wiki-columns .wiki-column table {
  width: 100%;
  padding: 4px;
  background: #f7f6f6;
  border: 1px solid #efefef;
  height: 100%;
  display: block;
  margin: 0px;
}

.wiki-columns .wiki-column th {
  margin: 3px;
  font-size: 120%;
  font-weight: bold;
  border: 1px solid transparent;
  text-align: left;
  padding: 0.2em 0.4em;
}

.wiki-columns .wiki-column td {
  border: 0px;
  vertical-align: top;
  background: none;
  padding: 0.2em 0.4em;
}

.wiki-columns .wiki-column th {
  background: #efefef;
  border: 1px solid #efefef;
}

.wiki-columns .wiki-column-red table {
  border: 1px solid #ffc9c9;
  background: #fff3f3;
}

.wiki-columns .wiki-column-red th {
  background: #ffe2e2;
  border: 1px solid #ffe2e2;
}

.wiki-columns .wiki-column-blue table {
  border: 1px solid #c6c9ff;
  background: #f0f0ff;
}

@media (max-width: 1000px) {
  .wiki-columns .wiki-column {
    width: 100%;
  }
}

.wiki-columns .wiki-column-blue th {
  background: #cedff2;
  border: 1px solid #cedff2;
}

.wiki-columns > .wiki-columns > .wiki-column {
  margin-top: 0;
  margin-bottom: 0;
}

.wiki-card {
  text-align: center;
  border: 0;
  margin-bottom: 0px;
  background-color: #fcfcfc;
  border: 1px solid #e1e1e1;
  border-radius: 5px;
  width: 100%;
  clear: both;
}

.wiki-card table {
  width: 100%;
  padding: 10px;
}

.responsive-image img {
 max-width: 100%;
 height: auto;
}

.responsive-image pre {
  display: flex;
  padding: 0px;
  margin: 0px;
  border: 0px;
  background: none;
}

.mb-default {
  margin-bottom: 14px;
}

.border-image img {
  border: 1px solid #f2f2f2;
}

.top-social {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.changelly-button {
  height: 30px;
  display: block;
}

.changelly-button img {
  height: 100%;
}

.top-social pre {
    padding: 0px;
    margin: 0px;
    border: 0px;
    line-height: initial;
    background: none;
    display: block;
    white-space: initial;
}

.top-social .wiki-share {
  display: flex;
}

.share-buttons {
  margin-right: 7px;
}

.top-social .likely-small .likely__widget {
    line-height: 26px;
    height: 30px;
    padding: 0px 8px;
}

.top-social .likely-small .likely__icon {
  width: 25px;
  height: 25px;
}

.top-social .likely-small svg {
    top: 7px;
    width: 17px;
    height: 17px;
}

/*.slick-list{ max-width: 1590px;}*/

/* MAIN PAGE SPECIAL STYLES */
/* Greeting plate */
.wiki-card_flex {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.wiki-card__list::before {
  content: '';
  display: inline-block;
  height: 100%;
  vertical-align: middle;
}
.wiki-card__list {
  font-size: 0;
}
.wiki-card__list ul {
  text-align: left;
  display: inline-block;
  vertical-align: middle;
  width: 100%;
  font-size: 0.9rem;
  margin: 0;
}

/* News on the front page */
#news-column-widget .ct-widget__body {
  max-height: none !important;
}
#news-column-widget .simplebar-track {
  display: none;
}
#news-column-widget .ct-widget {
  background-color: transparent !important;
  padding: 0 !important;
}

/* Interesting projects on the front page */
#interesting-projects-table {
  /* display: table; */
}
#interesting-projects-table img,
#interesting-projects-table iframe {
  max-width: 100%;
  height: auto;
}

/* Structure table */
.wiki-columns .wiki-column .fp-structure-table {
  background: transparent;
  border: none;
  border-collapse: collapse;
  display: table;
}
.fp-structure-table {
  table-layout: fixed;
}
.fp-structure-table .wiki-columns {
  height: 100%;
}
.fp-structure-table .wiki-columns > .wiki-column {
  margin-bottom: 0;
}
.wiki-columns .wiki-column .fp-structure-table > tbody > tr > td,
.fp-structure-table > tbody > tr > td,
.fp-structure-table > tr > td {
  padding: 0;
}

/* Current prices */
.current-prices-block tbody {
  display: table;
  width: 100%;
}
#marquee-container {
  background: transparent !important;
}
#marquee-container .ccc-header-v3-price-logo {
  margin-right: 5px;
}
#marquee-container .ccc-header-v3-price-value {
  margin-right: 5px;
}
#marquee-container .ccc-header-v3-ccc-price-container {
  width: 210px;
  margin-right: auto;
}
#marquee-inner {
  line-height: 1.4 !important;
}
#marquee-element {
  white-space: normal;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

/* Front page main banner */
.fp-main-banner a {
  display: block;
  width: 100%;
}
.fp-main-banner img {
  width: 100%;
  height: auto;
}
/* END MAIN PAGE SPECIAL STYLES */


.your-class img { 
    max-width: calc(100vw - 225px) !important;
}

.media-min-769 {
  display: none;
}

@media (min-width: 769px) {
  .media-min-769 {
    display: block;
  }

  .media-max-768 {
    display: none;
  }
}

.nodesktop {
  display: none;
}
 .mwe-math-mathml-a11y {
     clip: auto !important;
     overflow: visible !important;
     position: static !important;
     width: auto !important;
     height: auto !important;
     opacity: 1 !important;
 }
 .mwe-math-fallback-image-inline, .mwe-math-fallback-image-display {
     display: none !important;
 }

You can then easily change the style of MathML formulas e.g. to set the math font:

 .mw-body, mtext {
     font-family: Latin Modern Roman;
 }
 math {
     font-family: Latin Modern Math;
 }

/* NEW STYLES */

 .new-blockColor1 {
  background-color: #fcfcfc;
  border: 1px solid #e3e3e3;
}

.new-blockColor2 {
  background-color: #fff3f3;
  border: 1px solid #ffc0c0;
}

.new-blockColor3 {
  background-color: #f0f0ff;
  border: 1px solid #bdbdff;
}

.new-card {
  display: flex;
}
.new-card:not(:last-child) {
  margin-bottom: 10px;
}
@media screen and (max-width: 768px) {
  .new-card {
    display: block;
  }
  .new-card .floatleft {
    max-width: 50%;
    margin: 0 auto 10px;
  }
}

.new-col {
  flex: 1 1 auto;
}
.new-col--20 {
  flex-basis: 20%;
}
.new-col--40 {
  flex-basis: 40%;
}
.new-col--60 {
  flex-basis: 60%;
}
.new-col--80 {
  flex-basis: 80%;
}
.new-col--vertical {
  display: flex;
  flex-flow: column;
}
@media screen and (max-width: 768px) {
  .new-col--vertical {
    margin-top: 10px;
  }
}
.new-col:not(:last-child) {
  margin-right: 10px;
}
@media screen and (max-width: 768px) {
  .new-col:not(:last-child) {
    margin-right: 0;
  }
}

.new-textAlignCenter {
  text-align: center;
}

.new-head {
  padding: 10px;
  margin: 10px;
}

.new-headColor1 {
  background-color: #efefef;
}

.new-headColor2 {
  background-color: #ffdada;
}

.new-headColor3 {
  background-color: #d7d7ff;
}

.new-content {
  padding: 0 10px 10px;
}

.new-row:not(:last-child) {
  margin-bottom: 10px;
}

.new-fillSpace {
  flex: 1;
}

.new-list {
  display: flex;
}
@media screen and (max-width: 768px) {
  .new-list {
    display: block;
  }
}

@media screen and (max-width: 768px) {
  .new-mobileListCenter {
    list-style: none;
  }
  .new-mobileListCenter ul,
.new-mobileListCenter li {
    margin: 0;
    padding: 0;
  }
}

.new-list-half {
  flex: 1 1 50%;
}

@media screen and (max-width: 768px) {
  .new-mobileTextAlignCenter {
    text-align: center;
  }
}

#marquee-container .ccc-header-v3-ccc-price-container {
  width: auto;
  flex-basis: 50%;
}
@media screen and (max-width: 768px) {
  #marquee-container .ccc-header-v3-ccc-price-container {
    flex-basis: 100%;
  }
}

.new-noHead {
  padding: 10px 0;
}