.icon-info {
    background-color: green;
    border: 1px solid transparent;
    border-radius: 150px;
    padding: 5px;
    padding-top: 2px;
    padding-bottom: 2px;
    font-size: 10px;
    font-family: verdana;
    color: white;
}

.icon-info:before {
    content: "i";
}