.bd-callout {
    padding: 1.25rem;    
    margin-top: 1.25rem;
    margin-bottom: 1.25rem;
    border: 1px solid #eee;
    border-left-width: .25rem;
    border-radius: .25rem
}

    .bd-callout h4 {
        margin-top: 0;
        margin-bottom: .25rem
    }

    .bd-callout p:last-child {
        margin-bottom: 0
    }

    .bd-callout code {
        border-radius: .25rem
    }

    .bd-callout + .bd-callout {
        margin-top: -.25rem
    }

.bd-callout-info {
    border-left-color: #5bc0de
}

    .bd-callout-info h4 {
        color: #5bc0de
    }

.bd-callout-warning {
    border-left-color: #f0ad4e
}

    .bd-callout-warning h4 {
        color: #f0ad4e
    }

.bd-callout-danger {
    border-left-color: #d9534f
}

    .bd-callout-danger h4 {
        color: #d9534f
    }

.bd-callout-primary {
    border-left-color: #007bff
}

.bd-callout-primaryh4 {
    color: #007bff
}

.bd-callout-success {
    border-left-color: #28a745
}

.bd-callout-successh4 {
    color: #28a745
}

.bd-callout-default {
    border-left-color: #6c757d
}

.bd-callout-defaulth4 {
    color: #6c757d
}