.start_game {
    height: 300px;
    position: absolute;
    width: 300px;
    left: px;
    top: px;
}

.header {
    height: 100px;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.banner {
    width: 1004px;
    height: 440px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    background-position-x: -1px;
}

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.flexslider {
    width: 478px;
    height: 224px;
}

.flexslider-trimg .slides {
    height: 108px;
}

.flexslider-trimg .flex-control-thumbs {
    width: 540px;
    margin-left: -270px
}

img {
    user-drag: none;
    user-select: none;
    -moz-user-select: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}