.panel {
    border-width: 2px;
    border-color: $gray-background;
    @include transition(background-color .3s ease-in-out);

    .panel-heading {
        padding: 10px 7px;
        background-color: transparent;
        border-width: 2px;
        border-color: $gray-background;
    }

    h4.panel-title {
        padding: 4px 10px 4px 2px;
        font-size: 20px;
        color: $gray-light;
        color: $gray-darker;
        border-radius: 3px;
        opacity: 0.8;

        small {
            font-size: 14px;
            text-transform: uppercase;
            font-weight: 700;
            margin-left: 5px;
            padding-top: 2px;
        }

        .panel-note {
            margin-top: 5px;
            float: right;
            font-weight: 600;
            color: $gray-light;
            font-size: 14px;
        }
    }


    h3.panel-title {
        padding: 4px 0px 4px 0px;
        font-size: 20px;
        color: $gray-light;
        color: $gray-darker;
        border-radius: 3px;

        small {
            font-size: 14px;
            margin-left: 5px;
        }

        .panel-note {
            margin-top: 5px;
            float: right;
            font-weight: 600;
            color: $gray-light;
            font-size: 14px;
        }
    }

    .panel-body {
        padding: 0px 7px 0px 7px;
        p {
            font-size: 14px;
            color: $text-color;
        }
        h5 {
            font-size: 12px;
        }
        h4.check {
            font-size: 16px;
        }
        &.panel-form {
            padding-bottom: 15px;
        }
    }

    .panel-bar {
        width: 100%;
        height: 20px;
        @include transition(background-color .1s linear);
    }

    &.panel-link {
        border-bottom-width: 2px;
    }

    &.panel-list {
        ul {
            margin: 0;
            li {
                margin: 0;
                border: 0;
            }
        }
    }
    .panel-bar-horizontal {
        width: 20px;
        float: left;
        height: 50px;
        margin-right: 10px;
        display: block;
    }

    &.panel-short {
        border-bottom-width: 0px;
    }

    &.panel-link:hover {
        cursor: pointer;
        background-color: lighten($gray-background, 8%);
    }

    &.active {
        >.panel-heading {
            border-color: $purple;
        }

        @include transition(border-color .1s linear);
        border-color: $purple;

        .panel-bar {
        @include transition(background-color .1s linear);
            background-color: $purple;
        }
    }
}