* { box-sizing: border-box; }
h1, h2, h3 { margin-bottom: 0.5rem; }
h2 { border-bottom: 1px solid gray; margin-bottom: 0.5rem; }
hr { border: none; border-top: 1px solid gray; }
button:focus { color: blue; }

.alert { margin-left: 0; padding-left: 1rem; border-left: 3px solid black; }
.alert.success { border-color: lime; }
.alert.info { border-color: blue; }
.alert.warning { border-color: gold; }
.alert.danger { border-color: red; }
.btn.danger, span.danger { color: red; }
.btn.warning, span.warning { color: gold; }
.unstyled-list { list-style: none; padding-left: 0; }
.inline-list { list-style: none; margin-top: 0; }
.inline-list li { display: inline-block; }
.grid-wrapper { display: grid; grid-template-columns: repeat(auto-fill, 110px); }
.d-flex { display: -webkit-flex; display: -moz-flex; display: flex; }
.flex-fill { -webkit-flex: 1 1 auto; -moz-flex: 1 1 auto; flex: 1 1 auto; }

@media screen and (min-width: 780px) {
	body { max-width: 768px; margin: 0 auto; }
}