html,
body {
    margin: 1em
}

.home_nav {
    display: flex;
    height: 100%;
    justify-content: center;
    align-items: center;
}

#questions h2 {
    color: maroon
}

#questions h5 {
    color: gray;
    margin: 1em 0;
}

.question_ta {
    width: 24em;
    height: 10em;
    border: 1px solid lightgray;
    overflow: auto;
    white-space: pre-wrap;
    padding: 0.75em
}

.answer {
    display: flex;
    width: 300px;
    height: 2em;
    margin-left: 1em;
    align-items: center;
    padding-left: 1em;
    border: 1px solid lightgrey
}

.mc {
    display: flex;
    align-items: center;
    width: 350px;
    padding: 0.5em;
}

.controls {
    margin: 1em 0;
}

.correct {
    background-color: lightgreen
}

.incorrect {
    background-color: lightpink;
}

#results {
    white-space: pre-wrap;
    margin: 0.5em 0;
}

#submit {
    margin-top: 1em;
}

mark {
    background-color: white !important;
    color: red !important
}

#save_message {
    position: absolute;
    bottom: 0;
    right: 1em;
}