.flex_bottom {
    /* visibility: hidden; */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-style: solid;
    border-width: 1px;
    margin: 2px;
    height: 700px;
}

#question_section {
    background-color: lightblue;
    font-size: 23px;
    text-align: center; /* center the text */
    border-radius: 5px;
    height: auto;
    padding: 10px; /* add some padding */
}

.flex_hint #chat_section {
    display: flex;
    flex-direction: column;
    border:10px;
    border-color: red;
}

.flex_answer {
    display: flex; /* use flexbox to arrange children in a row */
    justify-content: center; /* distribute space between children */
    width: 98%; /* take up 3/4 of the width of the parent element */
    height: 40px;
    padding:10px; /* add some padding */
    /*border-style: solid;*/
}


.flex_answer > div {
    display: flex;
    justify-content: center;
    align-items: center; /* center the button vertically */
    font-size: 30px;
}

#answer_section {
    display: flex;
    justify-content: center; /* distribute space between children */
    width: 98%; /* take up 3/4 of the width of the parent element */
    height: 40px;
    padding:10px; /* add some padding */
    /*border-style: solid;*/
}

#answer_input {
    width: 95%;
    height: 100%;
}

#answer_text_box {
    width: 100%;
    height: 100%;
    font-size: 23px;
}

/* #answer_submit {
    display: flex;
    justify-content: center;
    align-items: center; 
    width: 100px;
    height: auto;
} */

#answer_button {
    width: 100%;
    height: 115%;
}

#answer_feedback {
    display: flex;
    justify-content: center; /* distribute space between children */
    width: 98%; /* take up 3/4 of the width of the parent element */
    height: 40px;
    padding:10px; /* add some padding */
    /*border-style: solid;*/
}