.highslide-html-content {
   width: 800px;
}

@media screen and (max-width: 850px) 
{
.highslide-html-content {
   width: 700px;
}}
@media screen and (max-width: 750px) 
{
.highslide-html-content {
   width: 600px;
}}
@media screen and (max-width: 600px) 
{
.highslide-html-content {
   width: 90%;
}}
@media screen and (max-width: 350px) 
{
.highslide-html-content {
   width: 95%;
}}