:root {
  --md-primary-fg-color:        #1F3C87;
  --md-typeset-color:           #00ABFF;
  }
[data-md-color-scheme="slate"] {
  --md-typeset-a-color:         #6a81bd;
  }

.md-typeset .md-button--stretch {width: 100%; max-width: 390px; text-align: center;}