.speed-calculator-body {
    margin: 0;
    height: 100vh;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
}

.calculator-container {
    width: 100%;
    max-width: 500px;
    margin: auto;
}

.speed-calculator {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    text-align: left;
}

.speed-calculator h2 {
    margin-bottom: 20px;
    font-size: 1.5em;
}

.speed-calculator .input-section {
    margin-bottom: 15px;
}

.speed-calculator label {
    font-weight: bold;
    margin-right: 10px;
}

.speed-calculator input[type="number"] {
    width: 60px;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 3px;
    text-align: center;
}

.speed-calculator select {
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

.speed-calculator .output-section p {
    margin: 10px 0;
}

.speed-calculator .results {
    background-color: #e7f8ff;
    padding: 10px;
    border-radius: 5px;
}

.speed-calculator .results p {
    margin: 5px 0;
    font-size: 1em;
}

@media (max-width: 767px) {
    .calculator-container {
        width: 100%;
    }
}