base.css

.jp-AboutNotebook .jp-Dialog-header {
  justify-content: center;
  /* padding: 0; */
}

.jp-AboutNotebook-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  font-size: var(--jp-ui-font-size1);
  /* padding: var(--jp-flat-button-padding); */
}

.jp-AboutNotebook-header-text {
  margin-left: 16px;
}

.jp-AboutNotebook-version {
  color: var(--jp-ui-font-color1);
  font-size: var(--jp-ui-font-size1);
  padding: var(--jp-flat-button-padding);
  width:200px;
  font-weight: 400;
  letter-spacing: 0.4px;
  line-height: 1.12;
  /* min-width: 360px; */
  text-align: left;
}

.jp-AboutNotebook-body {
  display: flex;
  font-size: var(--jp-ui-font-size1);
  /* padding: var(--jp-flat-button-padding); */
  color: var(--jp-ui-font-color1);
  text-align: left;
  flex-direction: column;
  min-width: 360px;
  overflow: visible;
  width:100%;
}

.jp-AboutNotebook-about-body pre {
  white-space: pre-wrap;
}

.jp-AboutNotebook-about-externalLinks {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  padding-top: 12px;
  /* color: var(--jp-warn-color0); */
}

.jp-AboutNotebook-about-copyright {
  padding-top: 25px;
}