// Taken from Bootstrap 4 documentation .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 }