.calculation {
    margin-bottom: 1.5em;
}
.calculation label {
    display: block;
    margin-bottom: 0.5em;
    font-weight: bold;
}
.calculation .result-display {
    margin-bottom: 0.5em;
    font-size: 1.2em;
}
.calculation .grid {
    display: flex;
    align-items: center;
    gap: 0.5em;
}
.calculation .grid input {
    width: 8em;
    text-align: right;
}

.calculation_dsc {
    margin-bottom: 1.5em;
    padding: 10px;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
    color:#000
}
h3 {
    margin-top: 0;
    font-size: 1.2em;
    font-weight: bold;
}
p {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 0.5em;
}
.formula {
    font-family: monospace;
    font-size: 0.9em;
    background-color: #f0f0f0;
    padding: 0.5em;
    border-radius: 3px;
}