body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background: #007BFF;
    color: white;
    padding: 2px;
    text-align: center;
}

main {
    padding: 20px;
}

#data-display {
    background: #e0e0e0;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

footer {
    text-align: center;
    padding: 2px;
    background: #007BFF;
    color: white;
    position: fixed;
    bottom: 0;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px;
    text-align: center;
}

th {
    background-color: #007BFF;
    color: white;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
    margin: 10px;
}
.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}
input:checked + .slider {
    background-color: #2196F3;
}
input:checked + .slider:before {
    transform: translateX(26px);
}

.label {
    margin: 5px;
    font-size: 16px;
    display: inline-block;
}