#loader {
    display: none;
    position: fixed;
    z-index: 9999;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: rgba(255, 255, 255, 0.8);
    text-align: center;
    padding-top: 20%;
    font-size: 24px;
    color: #000;
}

.spinner {
    border: 8px solid #f3f3f3; /* Light grey */
    border-top: 8px solid #3498db; /* Blue */
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.tooltipbtn {
    background-color: black;
    color: white;
    border: none;
    padding: 5px 10px;
    font-size: 16px;
    cursor: pointer;
    position: relative;
}

    .tooltipbtn:hover,
    .tooltipbtn:focus {
        background-color: red;
    }

.tooltip-content {
    display: none;
    position: absolute;
    top: 100%; /* Show below the button */
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: #fff;
    padding: 8px;
    border-radius: 4px;
    font-size: 14px;
    white-space: nowrap;
}

.tooltipbtn:focus .tooltip-content,
.tooltipbtn:hover .tooltip-content {
    display: block;
}