#preloader {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.mui-circular-progress {
    display: inline-block;
    width: 40px;
    height: 40px;
    color: #1976d2;
    animation: mui-rotate 1.4s linear infinite;
}

.mui-circular-progress svg {
    display: block;
    width: 100%;
    height: 100%;
}

.mui-circular-progress circle {
    stroke: currentColor;
    stroke-dasharray: 80px, 200px;
    stroke-dashoffset: 0;
    animation: mui-dash 1.4s ease-in-out infinite;
}

@keyframes mui-rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes mui-dash {
    0% {
        stroke-dasharray: 1px, 200px;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 100px, 200px;
        stroke-dashoffset: -15px;
    }
    100% {
        stroke-dasharray: 100px, 200px;
        stroke-dashoffset: -125px;
    }
}