.formulario-componente-cep .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 0 0 4px;
}

.formulario-componente-cep .input-group-btn{
    background: #fff;
    border-radius: 0 4px 4px 0;
    border: 1px solid #ced4da;
    padding: 0px;
}

.formulario-componente-cep .input-group-btn:last-child>.btn, .input-group-btn:last-child>.btn-group{
    height: auto;
}

.input-group-addon, .input-group-btn {
    display: table-cell;
}
.input-group-addon:first-child {
    border-right: 0;
}