.negative { color: red; }
.assumptions {
    position: absolute;
    z-index: 99;
    top: 125px;
    width: 90%;
    border: 1px solid black;
    background: #eee;
    padding: 0px 10px;
    margin: auto;
}

.notice {
    color: #660000;
    font-style: italic;
}

#math {
    display: none;
    font-family: monospace;
    border: 1px solid black;
    background: #eee;
    padding: 10px;
}