<select> Tag: The <select> component is used to make a drop-down list. The <select> component is most frequently used in a form, to gather user input. The name attribute is required to reference the form data after the form is submitted (in case you exclude the name attribute, no data from the drop-down list will be submitted). The id attribute is required to relate the drop-down list with a name. The <option> tag inside the <select> component characterize the accessible choices within the drop-down list.

Syntax:

<select>
  <option>Option1</option>
  <option>Option2</option>
      .
      .
      .
  <option>Option n</option>
 </select>

Attributes:

• autofocus: Indicates that the drop-down list ought to consequently get focus when the page loads. (value: autofocus)
• disabled: Indicates that a drop-down list ought to be disabled. (value: disabled)
• form: Characterizes which form the drop-down list has a place to. (value: form_id)
• multiple: Indicates that multiple options can be chosen at once. (value: multiple)
• name: Characterizes a name for the drop-down list. (value: name)
• required: Indicates that the user is required to choose a value some time recently submitting the form. (value: required)
• size: Characterizes the number of visible options in a drop-down list. (value: number)

We can remove border radius from Select tag by two methods as follows:

Method 1: Using CSS: Use some CSS property to remove the border radius.

Example:

Output:

Method 2: Using Bootstrap: The user-agent stylesheet for Chrome gives a border-radius of 5px to all the corners of a <select> component. Custom select menus require as it were a custom class, .custom-select to trigger the custom styles. Custom styles are restricted to the select’s starting appearance and cannot alter the option’s due to browser restrictions.

Example:

Output:

We can use select tag and .custom-select class with form-control as follows

Example:

Output: