loading.css

@charset "utf-8";

#loading-box .loading-left-bg,
#loading-box .loading-right-bg {
    position: fixed;
    z-index: 999998;
    width: 50%;
    height: 100%;
    background-color: rgb(81 81 81 / 80%);
    transition: all 0.7s cubic-bezier(0.42, 0, 0, 1.01);
    backdrop-filter: blur(10px);
}

#loading-box .loading-right-bg {
    right: 0;
}

#loading-box>.spinner-box {
    position: fixed;
    z-index: 999999;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100vh;
}

#loading-box .spinner-box .loading-word {
    position: absolute;
    color: #ffffff;
    font-size: 0.95rem;
    transform: translateY(64px);
    text-align: center;
}

p.loading-title {
    font-size: 1.25rem;
    margin: 20px 10px 4px 10px;
}

#loading-box .spinner-box .configure-core {
    width: 100%;
    height: 100%;
    background-color: #37474f;
}

div.loaded div.loading-left-bg {
    transform: translate(-100%, 0);
}

div.loaded div.loading-right-bg {
    transform: translate(100%, 0);
}

div.loaded div.spinner-box {
    display: none !important;
}

.loader {
    position: absolute;
    top: calc(50% - 32px);
    left: calc(50% - 32px);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    perspective: 800px;
    transition: all 0.7s cubic-bezier(0.42, 0, 0, 1.01);
}

.inner {
    position: absolute;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.inner.one {
    left: 0%;
    top: 0%;
    animation: rotate-one 1s linear infinite;
    border-bottom: 3px solid #EFEFFA;
}

.inner.two {
    right: 0%;
    top: 0%;
    animation: rotate-two 1s linear infinite;
    border-right: 3px solid #EFEFFA;
}

.inner.three {
    right: 0%;
    bottom: 0%;
    animation: rotate-three 1s linear infinite;
    border-top: 3px solid #EFEFFA;
}

@keyframes rotate-one {
    0% {
        transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
    }

    100% {
        transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
    }
}

@keyframes rotate-two {
    0% {
        transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
    }

    100% {
        transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
    }
}

@keyframes rotate-three {
    0% {
        transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
    }

    100% {
        transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
    }
}