.time-select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: white;
    font-size: 16px;
    color: #333;
}
.time-select option {
    padding: 10px;
}

.estimation {
    margin-top: 20px;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}