.preloader {
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circular-progress-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.circular-progress-indicator .ring {
    display: inline-block;
    position: relative;
    width: 50px;
    height: 50px;
}

.circular-progress-indicator .ring div {
    animation: ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    border: 5px solid transparent;
    border-radius: 50%;
    border-top-color: var(--blue);
    box-sizing: border-box;
    display: block;
    height: 100%;
    position: absolute;
    width: 100%;
}

.circular-progress-indicator .ring div:nth-child(1) {
    animation-delay: -0.45s;
}

.circular-progress-indicator .ring div:nth-child(2) {
    animation-delay: -0.3s;
}

.circular-progress-indicator .ring div:nth-child(3) {
    animation-delay: -0.15s;
}

@keyframes ring {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}