html, body {
    margin: 0;
    padding: 0;
}

#yukleme_ekrani {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}
  
#yukleme_ekrani img {
    width: 300px;
    animation: fadeIn 1.5s infinite;
    
}

#yukleme_ekrani.hidden {
    opacity: 0;
    transition: opacity 0.5s ease-out;
    pointer-events: none;
}

@keyframes fadeIn {
    0% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0.5;
    }
}