How to create a box with a left arrow and border
问题 I'm trying to create a box with a left arrow/triangle which has a opaque border surrounding it. I'm using CSS3 in order to avoid using images. The box will contain dynamic content so the height will likely vary. In the image attached you can see my progress on the left and what I am trying to achieve on the right. Here is a JSFiddle of what I have so far. As you can see there are 2 problems: 1) Due to the opacity you can see the border surrounding the triangle overlaps the border surrounding