.alert {
    padding-left: 30px;
    margin-top: 20px;
    margin-left: 15px;
    position: relative;
}

.alert > .fa,
.alert > .glyphicon {
    position: absolute;
    left: -15px;
    top: -15px;
    width: 35px;
    height: 35px;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    line-height: 35px;
    text-align: center;
    background: inherit;
    border: inherit;
}