.imgbed {
   position: relative;
   display: block;
   height: 0;
   width: 100%;
   padding-top: 81.5%;
}

.imgbed img {
   display: block;
   position: absolute;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
}

.imgbed.imgbig {
   padding-top: 20px;
}

.imgbed1 {
   padding: 35.5% 0 145px;
}