Don't separate subroutine or variable names from the following opening bracket.

不要将子程序或变量名与后面的开括弧分开。

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In other words, an opening firstName element is never closed or an opening Angle bracket is missing.

换句话说，firstName元素总是缺少结束标识，或缺少开头的尖括号。

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In the style section of an HTML document, type the name of the class, a space, and an opening curly bracket to begin the definition.

在HTML文档的样式部分中，输入类名、一个空格和一个前花括号，开始定义。

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