See bug 40545. Holding down the Ctrl key then using the Up and Down cursor keys to change the "focused" select option, i.e. Styling select, optgroup and options with CSS Over the past three weeks I’ve looked at some CSS styles that can be applied to select, optgroup and option tags and how they are rendered differently across different browsers. The tech stack for this site is fairly boring.That's a good thing! 因为option是html固有元素;因而无论怎么修改在浏览器上都是不起作用的。 想修改option样式,只能通过div ul li模拟select功能; 我项目是用vue做的,所以我基于vue对select用div li进行改造。 用div ul li做的select下来框: 实现的代码如下: There are certain elements of a select box that we can style such as the font, border, color, padding and background color: It has been hard for a long time to style the tag is used to create a dropdown with three options. Keyboard users can select multiple non-contiguous items by: Focusing on the element is used to create a drop-down list.. Where is with a regular button it’s fairly easy to change it, changing the selector arrow is another story. For this example, the arrow is added through Font Awesome CDN. This is a … e.g. Recuerda que este post forma parte de una mini guía: Radio Buttons, Checkbox y select personalizados con CSS; Personalizar un radio button con CSS In this example, I am going to use vanilla JavaScript. The