.krs-simulator {
    width: 100%;
    background: #f9f9f9;
    padding: 1em;
    border: 1px solid #ddd;
}
.krs-simulator label {
    display: block;
    margin-bottom: 0.5em;
    font-size: 18px;
    font-weight: bold;
}
.krs-simulator select,
.krs-simulator input[type=range] {
    width: 100%;
    margin-bottom: 1em;
}
.krs-simulator #krs-rate-val {
    font-size: 18px;
    font-weight: bold;
    margin-left: 0.5em;
}
.krs-simulator #krs-result {
    margin-top: 1em;
    font-size: 20px;
    font-weight: bold;
}