.input-icon {
    position: relative;
}

.input-icon > i.fa {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 16px;
    pointer-events: none;
}

.input-icon > input.form-control {
    padding-left: 35px;
}