#main_cont {
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    width: 100%;
} 

#ad_billboard_left_side,
#ad_billboard_right_side,
#ad_slim_left_side,
#ad_slim_right_side {
    position: sticky;
    top: 20px; /* distance from top of viewport */
    margin-top:20px;
}

.dummy_label {
    text-align: center; 
    margin:0px; 
    padding: 0px;
    font-size:12px; 
    color: gray; 
    font-weight: 200;
    height: 12px;
    line-height: 1;
}

.top_banner_wrapper {
    display: flex;
    flex-direction: row;
    justify-content: center;
    width: 100%;
    height: 100%;
    margin-top: 20px;
    /* margin-bottom: 14px; */
    /* margin-top: 10px; */
    /* padding-bottom: 18px; */
}

.middle_banner_wrapper {
    display: flex;
    flex-direction: row;
    justify-content: center;
    width: 100%;
    /* margin-bottom: 14px; */
    margin-top: 20px;
    /* padding-bottom: 14px; */
    /* margin-top: 0px; */
    /* padding-bottom: 32px; */
}

.bottom_banner_wrapper {
    display: flex;
    flex-direction: row;
    justify-content: center;
    width: 100%;
    margin-top: 20px;
    /* margin-bottom: 14px; */
    /* margin-top: 14px; */
    /* padding-bottom: 14px; */
    /* margin-top: 0px; */
    /* padding-bottom: 32px; */
}

.mobile_image {
    object-fit: cover; 
    border:1px solid black; 
    padding: 0px; 
    margin: 0px; 
    border-radius: 5px; 
    width: 320px;
    min-width: 320px; 
    height: 100px;  
    min-height:100px; 
    max-height: 100px;
    background-color: #f9f9f9; 
    /* box-shadow:  0px 2px 4px rgba(0,0,0,0.5); */
}

.banner_image {
    object-fit: cover; 
    /* object-position: center -110px;  */
    width: 728px;
    min-width: 728px; 
    height: 90px;  
    min-height: 90px;
    max-height: 90px;
    border:1px solid black; 
    border-radius: 5px; 
    /* box-shadow:  0px 2px 4px rgba(0,0,0,0.5); */
}

.skyscrapper_image {
    object-fit: cover; 
    /* object-position: -10px; */
    width: 160px;
    min-width: 160px; 
    height: 600px;  
    min-height: 600px;
    max-height: 600px;
    border:1px solid black; 
     border-radius: 5px; 
     /* box-shadow:  0px 2px 4px rgba(0,0,0,0.5); */
}

.side_poster_image {
    object-fit: cover; 
    /* object-position: -10px; */
    width: 300px;
    min-width: 300px; 
    height: 600px;  
    min-height: 600px;
    max-height: 600px;
    border:1px solid black; 
     border-radius: 5px; 
     /* box-shadow:  0px 2px 4px rgba(0,0,0,0.5); */
}