.main-slider-container li {
    position: relative;
}

.main-slider-container li .slide-content-box {
    position: absolute;
    left:50%;
    top:50%;
    transform: translate(-50%, -50%);
    color: #ffffff;
}

.main-slider-container li .slide-content-box * {
    color: #ffffff;
}

.margin-0 {
    margin: 0 !important;
}