.dateSelector {
    width: 100%;
}

.dateSelector > div {
    margin-left:0 !important;
    width: 100%;
    background: #F5F5F5;
    box-shadow: none !important;
    border-radius: 3px;
    border-color: transparent;
    border-style: solid;
}

.select2-choices {
    border: none !important;
}