img size

[Nsbx]

Hello i have recently include lity to my project but i have bug
http://share.bleudiamant.fr/RHrwTvL4.png
i don't know why i have a black border
otherwise Great script :)

[Nsbx]

solved i have modify
.lity-iframe .lity-container {
width: 100%;
max-width: 540px;
}
.lity-iframe-container {
width: 100%;
height: 540px;
overflow: hidden;
padding-top: 56.25%;
}