Em Sta questions

• Rails, is it possible to change the css depending on the value of an model column?
• Javascript,doesn't show undefined number
• Center an input field with css
• Image tag shows all columns of model
• How to style a radio button?
• How to check if date is valid?
• Rotate Circle with css hover [duplicate]
• Setting the height of a table in HTML has no effect
• Css or javascript scroll transition?
• Javascript width of div, returns 0

Em Sta answers