ul li {
    list-style-type: none;
}
.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
    border-bottom: none;
}
.markdown-body h2 {
    margin-top: 1.5em;
    margin-bottom: 0.3em;
}
.markdown-body h4 {
    margin-bottom: 0.5em;
}
.practice {
    background: #faf8e0;
}
.practice,
.exercises,
.topics,
.tip {
    padding: 0.3em 1.5em 0.8em 1.5em;
    margin-top: 2em;
    border-radius: 5px;
}
.practice h2,
.exercises h2,
.topics h2,
.tip h2 {
    margin-top: 0;
}
.exercises {
    background: #d1f2f9;
}
.topics {
    background: #defde8;
}
.tip {
    background: #fbe4eb;
}
.tip h2::before {
    content: '📌 ';
}
.tip pre {
    background: #fbe4eb;
}
span.has-q {
    background-color: #a834f9;
    padding: 2px 5px;
    border-radius: 3px;
}
span.has-q a {
    color: white;
}
span.has-e {
    background-color: #297bf5;
    padding: 2px 5px;
    border-radius: 3px;
}
span.has-e a {
    color: white;
}
div.formula {
    text-align: center;
}


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