This is Div without any CSS Transitions

This is Div with CSS Transition property

transition: all 1s ease-in-out;

#with-transition{
        -webkit-transition: all 1s ease-in-out;
        -moz-transition: all 1s ease-in-out;
        -o-transition: all 1s ease-in-out;
        transition: all 1s ease-in-out;
    }