:host {
    background-color: rgba(147, 151, 153, 1);
    box-shadow: 0px 1px 2px rgba(0,0,0,0.2);

    margin: 2px 0px;
    
    height: 3px;
    width: auto;
    display: block;

    .progress {
        background: -webkit-linear-gradient(left, #1c84d0 0%, #40acfb 100%);
        width: 0%;
        height: 100%;
        transition: width 0.3s ease-out;
    }
}