How to style outline buttons with CSS?

Following is the code to style outline buttons with CSS −


 Live Demo

<!DOCTYPE html>
<meta name="viewport" content="width=device-width, initial-scale=1" />
button {
   font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
   border: none;
   color: white;
   font-weight: bolder;
   padding: 20px;
   font-size: 20px;
   cursor: pointer;
   border-radius: 6px;
   width: 140px;
.Success {
   border:2px solid #4caf50;
.Success:hover {
   background-color: #46a049;
.Info {
   border:2px solid #2196f3;
.Info:hover {
   background: #0b7dda;
.Warning {
   border:2px solid #ff9800;
.Warning:hover {
   background: #e68a00;
.Danger {
   border:2px solid #f44336;
.Danger:hover {
   background: #da190b;
.Default {
   border:2px solid #e7e7e7;
   color: black;
.Default:hover {
   background: #ddd;
<h1>Alert Buttons Example</h1>
<button class="Success">Success</button>
<button class="Info">Info</button>
<button class="Warning">Warning</button>
<button class="Danger">Danger</button>
<button class="Default">Default</button>


The above code will produce the following output −

When hovering over the buttons the button background color will be the same as the outline as shown −