.md-typeset .admonition,
.md-typeset details {
  border-width: 0;
  border-left-width: 4px;
}

.center {
    display: block;
    margin: 0 auto;
    margin-top: 12px;
}

.md-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    margin-left: 16px;
}

.circle {
    display: inline-block;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: rgb(250, 21, 13);
    color: rgb(255, 255, 255);
    text-align: center;
    line-height: 24px;
    font-weight: bold;
    font-size: 14px;
  }