.linear-activity {
    overflow: hidden;
    width: 97%;
    height: 3px;
    background-color: #B3E5FC;
    margin: 1px auto;
}

.determinate {
    position: relative;
    max-width: 99%;
    height: 100%;
    -webkit-transition: width 500ms ease-out 1s;
    -moz-transition: width 500ms ease-out 1s;
    -o-transition: width 500ms ease-out 1s;
    transition: width 500ms ease-out 1s;
    background-color: #eeb178;
}

.indeterminate {
    position: relative;
    width: 100%;
    height: 100%;
}

.indeterminate:before {
    content: '';
    position: absolute;
    height: 100%;
    background-color: #eeb178;
    animation: indeterminate_first 1.5s infinite ease-out;
}

.indeterminate:after {
    content: '';
    position: absolute;
    height: 100%;
    background-color: #4FC3F7;
    animation: indeterminate_second 1.5s infinite ease-in;
}

@keyframes indeterminate_first {
    0% {
        left: -100%;
        width: 100%;
    }
    100% {
        left: 100%;
        width: 10%;
    }
}

@keyframes indeterminate_second {
    0% {
        left: -150%;
        width: 100%;
    }
    100% {
        left: 100%;
        width: 10%;
    }
}