.icon-addon {
    position: relative;
    color: #555;
    display: block;
}

.icon-addon-inline {
    position: relative;
    color: #555;
    display: inline-block;
    width: 57%;
    margin-right: 5px;
}

.icon-addon.addon-md .glyphicon,
.icon-addon .glyphicon, 
.icon-addon-inline.addon-md .glyphicon,
.icon-addon-inline .glyphicon, 
.icon-addon.addon-md .fa,
.icon-addon .fa {
    position: absolute;
    z-index: 2;
    left: 10px;
    font-size: 14px;
    width: 20px;
    margin-left: -2.5px;
    text-align: center;
    padding: 9px 0;
}

.icon-addon.addon-lg .form-control {
    line-height: 1.33;
    font-size: 18px;
    padding: 10px 16px 10px 40px;
}

.icon-addon.addon-md .form-control,
.icon-addon-inline.addon-md .form-control {
    line-height: 1.33;
    font-size: 15px;
    padding: 10px 16px 10px 40px;
}

.icon-addon.addon-sm .form-control {
    height: 30px;
    padding: 5px 10px 5px 28px;
    font-size: 12px;
    line-height: 1.5;
}

.form-subcontrol {
    width: 100%;
}