#preload {
    display: none;
    /* Initially hidden */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    /* Dim the screen */
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

#loader {
    font-size: 20px;
    color: #ffffff;
}

    #loader::after {
        content: "";
        display: block;
        width: 60px;
        height: 60px;
        border: 6px solid #ffffff;
        border-radius: 50%;
        border-top-color: #182e57;
        animation: spin 1s infinite linear;
    }

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}