:root {
    --progress-duration: 5.8s;
    --progress-height: 5px;
    --progress-color: rgb(35, 163, 255);
    --progress-color-ending: rgba(35, 163, 255, 0.2);
    --progress-shadow: 0 0 3px 2px rgba(0, 148, 255, 0.23);
}

.progress-css {
    position: fixed;
    top: 0;
    left: 0;
    height: var(--progress-height);
    width: 100%;
    background-color: transparent;
    z-index: 99999;
    box-shadow: none;
    animation: progress-load var(--progress-duration);
    -webkit-animation: progress-load var(--progress-duration);
    animation-timing-function: ease-in-out;
}

@keyframes progress-load {
    0% {
        background-color: var(--progress-color);
        box-shadow: var(--progress-shadow);
        width: 0%;
    }
    20% {
        background-color: var(--progress-color);
        width: 20%;
    }
    25% {
        background-color: var(--progress-color);
        width: 28%;
    }
    90% {
        background-color: var(--progress-color);
        width: 85%;
    }
    100% {
        width: 100%;
        background-color: var(--progress-color-ending);
        box-shadow: none;
    }
}