.pace-calculator {
    border: 1px solid #ccc;
    padding: 20px;
    max-width:800px;
    margin: 0 auto;
    box-sizing: border-box;
}

.pace-calc-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.pace-field {
    flex: 1 1 200px;
    display: flex;
    flex-direction: column;
}

.pace-field input {
    padding: 8px;
    margin-top: 5px;
    width: 100%;
    box-sizing: border-box;
}

.pace-field.pace-submit {
    flex: 1 1 100px;
    align-self: flex-end;
}

#paceCalcResult {
    margin-top: 20px;
    font-weight: bold;
}

#paceCalcHistory {
    margin-top: 25px;
}

#paceCalcHistory ul {
    list-style: disc