saas-one/frontend/operation-web/app/view/core/base/BasePanel.scss

.core-base-basepanel{
    background: $panel-body-background;

    .x-panel-default-outer-border-trl {
        border-top-color: #fff !important;
        border-top-width: 1px !important;
        border-right-color: #fff !important;
        border-right-width: 1px !important;
        border-left-color: #fff !important;
        border-left-width: 1px !important;
    }
    .x-panel-default-outer-border-rbl {
        border-top-color: #fff !important;
        border-top-width: 1px !important;
        border-right-color: #fff !important;
        border-right-width: 1px !important;
        border-left-color: #fff !important;
        border-left-width: 1px !important;
        border-bottom-color: #fff !important;
        border-bottom-width: 1px !important;
    }
    .x-btn-menu-active{
        .x-btn-wrap{
            .x-btn-button{
                .x-btn-inner{
                    color:#fff;
                }
            }
        }
    }
}
.core-base-gridpanel{
    .x-grid-body{
        border:1px solid #abdaff !important;
        border-top-width: 0 !important;
    }
    .x-grid-header-ct{
        border:1px solid #abdaff !important;
    }
}
.x-basepanel-pagingtoolbar{
    padding: 6px 0 5px 8px;
    border:1px solid #abdaff !important;
    border-top-width: 0 !important;
}

.x-btn-import-middle:after{
    content: ' ';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 15px 0 16px 18px;
    border-color: transparent transparent transparent #34baf6;
    position: absolute;
    left: 0;
    top: 0;
}

.x-btn-import-middle-next:after{
    content: ' ';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 15px 0 16px 18px;
    border-color: transparent transparent transparent #fff;
    position: absolute;
    left: 0;
    top: 0;
}

.x-btn-import-first{
    .x-btn-wrap{
        .x-btn-button{
          .x-btn-inner{
            color:#fff !important
          }
        }
    }
}

.x-btn-import-last{
    .x-btn-wrap{
        .x-btn-button{
          .x-btn-inner{
            color:#34baf6 !important
          }
        }
    }
}

.x-btn-import-last{
    .x-btn.x-btn-disabled.x-btn-default-toolbar-small .x-btn-inner-default-toolbar-small {
        color: #34baf6;
    }
}