#precarga {
    background-color: #FFFFFF;
    opacity: 95%;
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    text-align: center;
    z-index: 9999;
}


#precarga .blur {
    position: fixed;
    left: 50%;
    top: 50%;
    width: 50px;
    height: 20px;
    margin-left: -25px;
    margin-top: -10px;
    filter: blur(0.8em);
}
#precarga .blur_a {
    animation: levita 3.8s infinite ease-in-out;
    border: 10px solid #FAF8F0;
}
#precarga .blur_b {
    animation: levita 2.5s infinite ease-in-out reverse;
    border: 20px solid #00f6ff;
}
#precarga .blur_c {
    animation: levita 1.1s infinite ease-in-out;
    border: 5px solid #FFFFFF;
    background-color: #FFFFFF;
    width: 30px;
}
@keyframes levita {
    0% {
        transform: rotate(0deg);
        border-radius: 35%;
        margin-top: -20px;
    }
    50% {
        margin-top: 10px;
    }
    100% {
        transform: rotate(360deg);
        border-radius: 15%;
        margin-top: -20px;
    }
}