Template:InfoBox.css

.infobox {

 border: 1px solid #36c;
 background-color: #eaf3ff;
 padding: 1em;
 margin: 1em 0;
 border-left: 5px solid #36c;
 border-radius: 4px;
 font-size: 95%;
 display: flex;
 align-items: flex-start;

}

.infobox-icon {

 width: 24px;
 height: 24px;
 margin-right: 0.8em;
 flex-shrink: 0;

}

.infobox-text {

 flex-grow: 1;

}