.progbar-bg {
    height:30px;
    background-color: #cccccc;
}

.progbar-inner {
    height:100%;
    background-color: green;
}

.wrapper {
    position: relative;
    margin: 20px;
}

.my-canvas {
    top: 0px;
    left: 0px;
    position: absolute;
}

.arc_start {
    border-color: transparent transparent red red;
    transform: rotate(180deg);
}

.arc_end {
    border-color: red red white white;
    transform: rotate(0deg);
}