styles.css

div.qtype_formulas_input_wrapper {
    display: inline-block;
    position: relative;
}

div#qtype_formulas_mathjax_display {
    background-color: #eef;
    border: 1px solid #88c;
    margin-left: 0;
    margin-top: 0;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 4px;
    position: absolute;
    z-index: 1;
}

div[id^='fitem_id_postunit_'] #qtype_formulas_mathjax_display {
    margin-top: 30px;
    margin-left: 10px;
}

div.qtype_formulas_tooltip_wrapper {
    position: absolute;
    display: inline-block;
    visibility: hidden;
    pointer-events: none;
    font-family: sans-serif;
    font-size: smaller;
}

div.qtype_formulas_tooltip_inner {
    background: black;
    color: white;
    border-radius: 10px;
    text-align: center;
    white-space: nowrap;
    padding: 5px 10px;
    bottom: 100%;
    position: absolute;
    transform: translateX(-50%);
}

.qtype_formulas_tooltip_inner::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid #333;
}

div.qtype_formulas_tooltip_wrapper.show {
    visibility: visible;
}

.que.formulas .formulas_unit {
    display: inline-block;
    margin: 0 0 0 0;
    width: 55px;
}

.que.formulas .formulas_number {
    display: inline-block;
    margin: 0 0 0 0;
    width: 55px;
}

.que.formulas .formulas_number_unit {
    display: inline-block;
    margin: 0 0 0 0;
    width: 80px;
}

.que.formulas .formulas_numeric {
    display: inline-block;
    margin: 0 0 0 0;
    width: 100px;
}

.que.formulas .formulas_numeric_unit {
    display: inline-block;
    margin: 0 0 0 0;
    width: 200px;
}

.que.formulas .formulas_numerical_formula {
    display: inline-block;
    margin: 0 0 0 0;
    width: 200px;
}

.que.formulas .formulas_numerical_formula_unit {
    display: inline-block;
    margin: 0 0 0 0;
    width: 300px;
}

.que.formulas .formulas_algebraic_formula {
    display: inline-block;
    margin: 0 0 0 0;
    width: 200px;
}

.que.formulas .formulation .formulaspart {
    display: block;
    margin: 0 0 1.2em 0;
    padding-bottom: 0;
}

.que.formulas .formulation .formulas_menu {
    display: inline;
    margin: 0 0 1.2em 0;
    padding-bottom: 0;
}

.que.formulas .multichoice_answer div.r0,
.que.formulas .multichoice_answer div.r1 {
    padding: 0.3em 0 0.3em 25px;
    text-indent: -25px;
}

.que.formulas .formulas_mark {
    display: inline;
}

.que.formulas .formulas_grade {
    font-size: 0.8em;
}

.que.formulas .formulation .formulaspartfeedback,
.que.formulas .formulation .formulaspartcorrectanswer,
.que.formulas .formulation .formulaslocalfeedback {
    padding-top: 6px;
}

.que.formulas .formulation .formulaspartoutcome {
    background: #fff3bf;
    color: black;
    margin: 0.2em -0.2em 0.5em;
    padding: 0.2em;
}

.que.formulas .formulation .formulaspartfeedback .correct,
.que.formulas .formulation .formulaspartfeedback .partiallycorrect,
.que.formulas .formulation .formulaspartfeedback .incorrect {
    background: transparent;
}

.que .formulation .formulas-select {
    display: inline-block;
}

/* Styles for the editing form. */
body#page-question-type-formulas .formulas_correctness_show {
    display: inline;
}

body#page-question-type-formulas .formulas_input_info_outer {
    display: inline;
    position: absolute;
    z-index: 2;
}

body#page-question-type-formulas .formulas_input_info {
    background-color: #eef;
    left: 0;
    position: absolute;
    top: 1.94em;
    width: 150px;
}

body#page-question-type-formulas .formulas_input_info_title {
    padding: 2px;
}

body#page-question-type-formulas .formulas_input_info_interpretation {
    border: 1px solid #88c;
    padding: 2px;
}

body#page-question-type-formulas .formulas_input_info_interpretation_incorrect {
    border: 1px solid #88c;
    color: #bbb;
    padding: 2px;
}

/* Form rows normally have 1rem of bottom margin. However, if the form field's ID is answer_xxx,
   that margin will be forced to 0 for nicer rendering in the multichoice qtype's edit form. We
   now have to force the margin again to get it back. */
/* stylelint-disable declaration-no-important  */
body#page-question-type-formulas div[id^="fitem_id_answer_"].mb-3 {
    margin-bottom: 1rem !important;
}

/* stylelint-enable declaration-no-important  */

/* RTL hacks */
#page-question-type-formulas #id_varsrandom,
#page-question-type-formulas #id_varsglobal {
    direction: ltr;
    height: 80px;
    text-align: left;
}