@media all and (max-width: 1250px)
{
    div.main_left_side
    {
        display: none;
    }
    div.main_center
    {
        float: none;
        clear: none;
        width: calc(100% - 20px);
        margin-left: 10px;
        background-color: transparent;
    }

    div.main_right_side
    {
        display: none;
    }

    div.main_wide
    {
        text-align: center;
        padding-bottom: 50px;
    }
    
    div.bid_data_block
    {
        position: relative;
        display: block;
        float: none;
        width: 100%;
        clear: both;
        padding: 0;
        margin: 0;
        border: none;
    }

    div.main_wide_slides
    {

    }


    div.logo
    {
        padding: 10px; 
        width: 250px;
        float: left;
        display: inline-block;
        position: relative;
        clear: none;
    }

    div.main_top_menu
    {
        padding: 10px; 
        width: calc(100% - 290px);
        height: 60px;
        float: right;
        display: inline-block;
        position: relative;
        clear: none;
        text-align: right;
    }

    .main_top_menu_item
    {
        padding: 5px;
        cursor: pointer;
        text-decoration: none;
        color: inherit;
        border: 1px solid transparent;

        border-top-right-radius: 5px;
        border-bottom-left-radius: 5px;

        -moz-border-top-right-radius: 5px;
        -moz-border-bottom-left-radius: 5px;

        -webkit-border-top-right-radius: 5px;
        -webkit-border-bottom-left-radius: 5px;

        -khtml-border-top-right-radius: 5px;
        -khtml-border-bottom-left-radius: 5px;
    }

    .main_top_menu_item:hover
    {
        color: #fff;
        border: 1px solid #888;
    }

    div.main_bottom_menu
    {
        padding: 10px; 
        width: calc(100% - 290px);
        height: 20px;
        float: right;
        position: relative;
        clear: none;
        text-align: right;
    }

    .main_bottom_menu_item
    {
        padding: 10px;
        cursor: pointer;
        text-decoration: none;
        color: inherit;
        border: 1px solid transparent;
        font-size: 125%;

        border-top-left-radius: 5px;
        border-bottom-right-radius: 5px;

        -moz-border-top-left-radius: 5px;
        -moz-border-bottom-right-radius: 5px;

        -webkit-border-top-left-radius: 5px;
        -webkit-border-bottom-right-radius: 5px;

        -khtml-border-top-left-radius: 5px;
        -khtml-border-bottom-right-radius: 5px;
    }

    .main_bottom_menu_item:hover
    {
        color: #fff;
        border: 1px solid #888;
    }
}