._dash-loading {
    margin: auto;
    color: transparent;
    width: 100vw;
    height: 100vh;
    text-align: center;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #212529;
    display: flex;
    justify-content: center;
    align-items: center;
}
  
._dash-loading::after {
    content: "";
    display: block;
    width: 150px;
    height: 200px;
    background-color: #212529;
    background-image: url("Bierke_loading.svg");
    background-repeat: no-repeat;
    background-size: contain;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
body {
    background-color: #212529;
}
@property --loading-opacity {
    syntax: '<percentage>';
    inherits: false;
    initial-value: 100%;
  }
  .loading-screen {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: #212529;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    pointer-events: none;
    opacity: 1;
    transition: opacity 500ms ease-in-out; /* Smooth transition for opacity */
    will-change: opacity; /* Hint to the browser for optimization */
}

.loading-screen.hide {
    opacity: 0;
}
.loading-screen.slowshow {
    opacity: 1;
}