.bx-wrapper{
    position: relative;
    margin: 0 auto;
    padding: 0;
}
.bx-wrapper .bx-controls-direction a{
    position: absolute;
    left: 50%;
    margin-left: -12px;
    display: block;
    overflow: hidden;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(123,198,37,.50) url(../images/arrow9.png) 50% 50% no-repeat;
    text-indent: -9999px;
    transition: background .3s linear, border .3s linear;
}
.bx-wrapper .bx-controls-direction a.bx-prev{
    top: -7px;
    transform: rotate(180deg);
}
.bx-wrapper .bx-controls-direction a.bx-next{
    bottom: -7px;
}
.bx-wrapper .bx-controls-direction a:hover{
    background-color: #7bc625;
}
.bx-wrapper .bx-controls-auto,
.bx-wrapper .bx-caption{
    display: none;
}