* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.outer {
    height: 40px;
    width: 800px;
    border-radius: 20px;
    background-color: rgb(168, 192, 192);
    box-shadow: inset 0 0 5px rgb(140, 145, 145),
                inset 0 0 3px rgba(244, 244, 247, 0.95) ;
}

.progress-done {
    height: 100%;
    width: 0px;
    opacity: 0;
    background: linear-gradient(60deg, rgb(222, 33, 33), rgb(210, 66, 210) );
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-weight: 800;
    color: rgb(83, 82, 82);
    transition: all 1s ease-out;
}