.progress {
    position: relative;
    height: 4px;
    display: block;
    width: 100%;
    background-color: #acece6;
    border-radius: 2px;
    background-clip: padding-box;
    margin: 0.5rem 0 1rem 0;
    overflow: hidden;
}

    .progress .determinate {
        position: absolute;
        background-color: inherit;
        top: 0;
        bottom: 0;
        background-color: #26a69a;
        transition: width .3s linear;
    }

    .progress .indeterminate {
        background-color: #26a69a;
    }

        .progress .indeterminate:before {
            content: '';
            position: absolute;
            background-color: inherit;
            top: 0;
            left: 0;
            bottom: 0;
            will-change: left, right;
            -webkit-animation: indeterminate 2.1s cubic-bezier(0.65, 0.815, 0.735, 0.395) infinite;
            animation: indeterminate 2.1s cubic-bezier(0.65, 0.815, 0.735, 0.395) infinite;
        }

        .progress .indeterminate:after {
            content: '';
            position: absolute;
            background-color: inherit;
            top: 0;
            left: 0;
            bottom: 0;
            will-change: left, right;
            -webkit-animation: indeterminate-short 2.1s cubic-bezier(0.165, 0.84, 0.44, 1) infinite;
            animation: indeterminate-short 2.1s cubic-bezier(0.165, 0.84, 0.44, 1) infinite;
            -webkit-animation-delay: 1.15s;
            animation-delay: 1.15s;
        }

@-webkit-keyframes indeterminate {
    0% {
        left: -35%;
        right: 100%;
    }

    60% {
        left: 100%;
        right: -90%;
    }

    100% {
        left: 100%;
        right: -90%;
    }
}

@keyframes indeterminate {
    0% {
        left: -35%;
        right: 100%;
    }

    60% {
        left: 100%;
        right: -90%;
    }

    100% {
        left: 100%;
        right: -90%;
    }
}

@-webkit-keyframes indeterminate-short {
    0% {
        left: -200%;
        right: 100%;
    }

    60% {
        left: 107%;
        right: -8%;
    }

    100% {
        left: 107%;
        right: -8%;
    }
}

@keyframes indeterminate-short {
    0% {
        left: -200%;
        right: 100%;
    }

    60% {
        left: 107%;
        right: -8%;
    }

    100% {
        left: 107%;
        right: -8%;
    }
}