*,
*:before,
*:after {
    margin: 0;
    padding: 0;
    outline: 0;
    box-sizing: border-box;
}

.contenedor_loader {
    background-color: #333;
    position: fixed;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    transition: all 1.5s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader,
.loader:before,
.loader::after {
    border-radius: 50%;
}

.loader {
    color: #e50914;
    font-size: 11px;
    position: relative;
    width: 10em;
    height: 10em;
    box-shadow: inset 0 0 0 1em;
}

.loader:before,
.loader::after {
    position: absolute;
    content: '';
}

.loader:before {
    width: 5.2em;
    height: 10.2em;
    background-color: #333;
    border-radius: 10.2em 0 0 10.2em;
    top: -0.1em;
    Left: -0.1em;
    transform-origin: 5.1em 5.1em;
    animation: girar 1.1s infinite ease;
    animation-delay: 0.8s;
}

.loader:after {
    width: 5.2em;
    height: 10.2em;
    background-color: #333;
    border-radius: 0 10.2em 10.2em 0;
    top: -0.1em;
    Left: 4.9em;
    transform-origin: 0.1em 5.1em;
    animation: girar 1.1s infinite ease;
}

@keyframes girar {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}