html,body,body *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
body input,body textarea,body [contenteditable="true"],body [contenteditable=""],body [contenteditable="true"] *,body [contenteditable=""] *{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}
img,video{-webkit-user-drag:none;user-drag:none}