body{   
    background: none;
}
.loader_container{
    position: absolute;
    background: none;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    z-index: 1000;
}
#unity-canvas{
    transition: opacity 500ms;
}

/* HTML: <div class="loader"></div> */
.loader {
    position: absolute;
    left: calc(50% - 25px);
    top: 320px;
    width: 55px;
    aspect-ratio: 1;
    --g1:conic-gradient(from  90deg at 3px  3px ,#0000 90deg,#fff 0);
    --g2:conic-gradient(from -90deg at 22px 22px,#0000 90deg,#fff 0);
    background:var(--g1),var(--g1),var(--g1), var(--g2),var(--g2),var(--g2);
    background-size: 25px 25px;
    background-repeat: no-repeat;
    animation: l7 1.5s infinite;
}
@keyframes l7 {
    0%   {background-position:0    0   ,0 100%,100% 100% }
    25%  {background-position:100% 0   ,0 100%,100% 100% }
    50%  {background-position:100% 0   ,0 0   ,100% 100% }
    75%  {background-position:100% 0   ,0 0   ,0    100% }
    100% {background-position:100% 100%,0 0   ,0    100% }
}