.progress-bar-success {
    background-image: linear-gradient(to bottom,#c4f8c9 0,#8ce2d5 100%);
}

.progress-bar-warning {
    background-image: linear-gradient(to bottom,#f0ad4e 0,#f0ad4e 100%);
}

.progress-bar-danger {
    background-image: linear-gradient(to bottom,#d9534f 0,#d9534f 100%);
}