WordPress/wp-includes/css/dist/block-library/theme.css

.wp-block-audio :where(figcaption){
  color:#555;
  font-size:13px;
  text-align:center;
}
.is-dark-theme .wp-block-audio :where(figcaption){
  color:#ffffffa6;
}

.wp-block-audio{
  margin:0 0 1em;
}

.wp-block-code{
  border:1px solid #ccc;
  border-radius:4px;
  font-family:Menlo,Consolas,monaco,monospace;
  padding:.8em 1em;
}

.wp-block-embed :where(figcaption){
  color:#555;
  font-size:13px;
  text-align:center;
}
.is-dark-theme .wp-block-embed :where(figcaption){
  color:#ffffffa6;
}

.wp-block-embed{
  margin:0 0 1em;
}

.blocks-gallery-caption{
  color:#555;
  font-size:13px;
  text-align:center;
}
.is-dark-theme .blocks-gallery-caption{
  color:#ffffffa6;
}

:root :where(.wp-block-image figcaption){
  color:#555;
  font-size:13px;
  text-align:center;
}
.is-dark-theme :root :where(.wp-block-image figcaption){
  color:#ffffffa6;
}

.wp-block-image{
  margin:0 0 1em;
}

.wp-block-pullquote{
  border-bottom:4px solid;
  border-top:4px solid;
  color:currentColor;
  margin-bottom:1.75em;
}
.wp-block-pullquote cite,.wp-block-pullquote footer,.wp-block-pullquote__citation{
  color:currentColor;
  font-size:.8125em;
  font-style:normal;
  text-transform:uppercase;
}

.wp-block-quote{
  border-left:.25em solid;
  margin:0 0 1.75em;
  padding-left:1em;
}
.wp-block-quote cite,.wp-block-quote footer{
  color:currentColor;
  font-size:.8125em;
  font-style:normal;
  position:relative;
}
.wp-block-quote:where(.has-text-align-right){
  border-left:none;
  border-right:.25em solid;
  padding-left:0;
  padding-right:1em;
}
.wp-block-quote:where(.has-text-align-center){
  border:none;
  padding-left:0;
}
.wp-block-quote.is-large,.wp-block-quote.is-style-large,.wp-block-quote:where(.is-style-plain){
  border:none;
}

.wp-block-search .wp-block-search__label{
  font-weight:700;
}

.wp-block-search__button{
  border:1px solid #ccc;
  padding:.375em .625em;
}

:where(.wp-block-group.has-background){
  padding:1.25em 2.375em;
}

.wp-block-separator.has-css-opacity{
  opacity:.4;
}

.wp-block-separator{
  border:none;
  border-bottom:2px solid;
  margin-left:auto;
  margin-right:auto;
}
.wp-block-separator.has-alpha-channel-opacity{
  opacity:1;
}
.wp-block-separator:not(.is-style-wide):not(.is-style-dots){
  width:100px;
}
.wp-block-separator.has-background:not(.is-style-dots){
  border-bottom:none;
  height:1px;
}
.wp-block-separator.has-background:not(.is-style-wide):not(.is-style-dots){
  height:2px;
}

.wp-block-table{
  margin:0 0 1em;
}
.wp-block-table td,.wp-block-table th{
  word-break:normal;
}
.wp-block-table :where(figcaption){
  color:#555;
  font-size:13px;
  text-align:center;
}
.is-dark-theme .wp-block-table :where(figcaption){
  color:#ffffffa6;
}

.wp-block-video :where(figcaption){
  color:#555;
  font-size:13px;
  text-align:center;
}
.is-dark-theme .wp-block-video :where(figcaption){
  color:#ffffffa6;
}

.wp-block-video{
  margin:0 0 1em;
}

:root :where(.wp-block-template-part.has-background){
  margin-bottom:0;
  margin-top:0;
  padding:1.25em 2.375em;
}