.dt-buttons {
    text-align: right;
}

.buttons-excel {
    color: #ffffff;
    background-color: #428bca;
    border-color: #357ebd;
}

.dt-button {
    display: inline-block;
    padding: 6px 12px;
    margin-bottom: 0;
    font-size: 14px;
    font-weight: normal;
    line-height: 1.428571429;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 4px;
}