@media only screen and (min-device-width :375px) and (max-device-width :812px) and (-webkit-device-pixel-ratio :3){#chatContainer{height:calc(100% - 100px) !important}}@media only screen and (min-device-width :768px) and (max-device-width :1024px){#chatContainer{height:calc(100% - 100px) !important}}