.i_g .input-group-addon {
    padding: 6px 12px;
    font-size: 14px;
    font-weight: 400;
    line-height: 1;
    color: #555;
    text-align: center;
    background-color: #eee;
    border: 1px solid #ccc;
    border-radius: 4px;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.i_g .input-group {
    position: relative;
    display: table;
    border-collapse: separate;
}
.i_g .input-group-addon:first-child {
    border-right: 0;
}
.i_g .input-group-addon, .input-group-btn {
    width: 1%;
    white-space: nowrap;
    vertical-align: middle;
}
.i_g .input-group .form-control, .input-group-addon, .input-group-btn {
    display: table-cell;
}
.i_g .input-group .form-control {
    position: relative;
    z-index: 2;
    float: left;
    width: 100%;
    margin-bottom: 0;
}