/**进度条*/
.progress {
    width: 30px;
    height: 5px;
    margin-top: 13px;
    _overflow: hidden;
    background-color: #f5f5f5;
    -webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
    font-size: 12px;
    color: white;
    text-align: center;
    transform: scale(0.8);
}

.progress-bar {
    float: left;
    height: 100%;
    font-size: 12px;
    line-height: 20px;
    color: #fff;
    text-align: center;
    background-color: grey;
    -webkit-box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    -webkit-transition: width 0.6s ease;
    -o-transition: width 0.6s ease;
    transition: width 0.6s ease;
}

.progress-striped .progress-bar,
.progress-bar-striped {
    background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.55) 50%, rgba(255, 255, 255, 0.55) 75%, transparent 75%, transparent);
    background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.55) 50%, rgba(255, 255, 255, 0.55) 75%, transparent 75%, transparent);
    background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.55) 50%, rgba(255, 255, 255, 0.55) 75%, transparent 75%, transparent);
    -webkit-background-size: 40px 40px;
    background-size: 40px 40px;
}

.progress.active .progress-bar,
.progress-bar.active {
    -webkit-animation: progress-bar-stripes 2s linear infinite;
    -o-animation: progress-bar-stripes 2s linear infinite;
    animation: progress-bar-stripes 2s linear infinite;
}

@-webkit-keyframes progress-bar-stripes {
    from {
        background-position: 40px 0;
    }
    to {
        background-position: 0 0;
    }
}
@-o-keyframes progress-bar-stripes {
    from {
        background-position: 40px 0;
    }
    to {
        background-position: 0 0;
    }
}
@keyframes progress-bar-stripes {
    from {
        background-position: 40px 0;
    }
    to {
        background-position: 0 0;
    }
}

.sr-only{
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0
}