ext/wasm/common/emscripten.css

/* emcscript-related styling, used during the module load/intialization processes... */
.emscripten { padding-right: 0; margin-left: auto; margin-right: auto; display: block; }
div.emscripten { text-align: center; }
div.emscripten_border { border: 1px solid black; }
#module-spinner { overflow: visible; }
#module-spinner > * {
    margin-top: 1em;
}
.spinner {
    height: 50px;
    width: 50px;
    margin: 0px auto;
    animation: rotation 0.8s linear infinite;
    border-left: 10px solid rgb(0,150,240);
    border-right: 10px solid rgb(0,150,240);
    border-bottom: 10px solid rgb(0,150,240);
    border-top: 10px solid rgb(100,0,200);
    border-radius: 100%;
    background-color: rgb(200,100,250);
}
@keyframes rotation {
    from {transform: rotate(0deg);}
    to {transform: rotate(360deg);}
}