This is the right CSS3 answer. Hope this helps you somehow now :D I really recommend you to read the book: https://www.amazon.com/Book-CSS3-Developers-Future-Design/dp/1593272863 Actually I have made this solution from reading this book now. :D
#wrapper{_x000D_
display: flex;_x000D_
flex-direction: row;_x000D_
border: 1px solid black;_x000D_
}_x000D_
#first{_x000D_
width: 300px;_x000D_
border: 1px solid red;_x000D_
}_x000D_
#second{_x000D_
border: 1px solid green;_x000D_
}
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<div id="wrapper">_x000D_
<div id="first">Stack Overflow is for professional and enthusiast programmers, people who write code because they love it.</div>_x000D_
<div id="second">When you post a new question, other users will almost immediately see it and try to provide good answers. This often happens in a matter of minutes, so be sure to check back frequently when your question is still new for the best response.</div>_x000D_
</div>
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