.wsContentThread width 550px &__header color white background-color threadColor &__wrapper height calc(100% - 209px) /* height of chat__header + height of option + top of chat */ &__messagelist padding 15px 35px &__item &__content color darkBlue &__texteditor &__simpletext &__input &:focus color darkBlue border-color darkBlue &__submit &__btn color darkBlue .received .wsContentThread__messagelist__item__content background-color darkBlue color white @media (min-width: max-xs) and (max-width: max-lg) .wsContentThread &__texteditor padding 7px &__simpletext display inline-flex &__submit display inline-flex width 80px @media (min-width: min-sm) and (max-width: max-sm) .wsContentThread top 69px @media (max-width: max-xs) .wsContentThread top 69px width 100% box-shadow none z-index 1 &__texteditor padding 7px &__simpletext display inline-flex margin-right 15px width 62% &__submit display inline-flex width 80px