.standart_top{  
width: 728px;
height: 90px;
}

.standart_bottom {
width: 728px;
height: 90px;
}

.adlabs_bottom {
width: 980px;
height: 120px;
margin-top : 10px;
}


/* ipad landscape */
@media (max-width: 1201px)
and (min-width: 991px) {
.standart_top {
width: 940px;
height: 90px;
}
.standart_bottom {
width: 940px;
height: 90px;
}
.adlabs_bottom {
width: 940px;
height: 90px;
}

}

/* ipad portrait */
@media (max-width: 991px)
and (min-width: 765px) {
.standart_top {
width: 728px;
height: 90px; 
}
.standart_bottom {
width: 728px;
height: 90px;
}
.adlabs_bottom {
width: 728px;
height: 90px;
}

}

/* mobile */
@media (max-width: 767px) {
.standart_top {
width: 300px;
height: 250px; 
}
.standart_bottom {
width: 300px;
height: 250px; 
}
.adlabs_bottom {
width: 300px;
height: 250px; 
}

}