Padding is used to control the size of the gap between the element content and the border. The rectangular space occupied by each HTML element is controlled by these three important attributes: inner margin padding, outer margin margin and border. value, will be submitted in the form Īn HTML element can have multiple class es When the button is selected, the data of indoor outdoor = indoor, i.e. Radio stands for radio selection, and checked stands for default selection ĭiv is a content partition element, which is a general container for wrapping other elements. The button is wrapped with label, and for is required to indicate the button id Required indicates that it must be filled in before submission. įorm is the form that sends data to the server. Placeholder is used as a placeholder to display the content when it is not entered. Input is an input text box with different type attributes. I hope I can give you three links □įrom here on, if you don't want to see the basic HTML and CSS, you can skip it. I gave links to examples or documents for some incomprehensible contents, and some small games I recommend. I don't want to be detailed, but to understand. Reminder before viewing: I'm good at using Ctrl+F.
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