.sup {
    vertical-align: super;
    font-size: 0.83em;
}

body::-webkit-scrollbar {
    width: 10px;
}

body::-webkit-scrollbar-thumb {
    background-color: #754ffe;
    border-radius: 5px;
    border: 2px solid #e3dcff;
}

.course-sidebar-scroll {
    max-height: 100vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.message-banner {
    width: 100%;
    background-color: #e3dcff;
    text-align: center;
    padding: 12px 6px;
    font-weight: bold;
    position: relative;
    z-index: 1000;
}