JSFiddle - React, Tailwind, and code Playground

HTML

<button name="My button"> A button! </button>

CSS

button {
   border-top: 1px solid #bfd1ed;
   background: #5987d1;
   background: -webkit-gradient(linear, left top, left bottom, from(#2662c3), to(#5987d1));
   background: -webkit-linear-gradient(top, #2662c3, #5987d1);
   background: -moz-linear-gradient(top, #2662c3, #5987d1);
   background: -ms-linear-gradient(top, #2662c3, #5987d1);
   background: -o-linear-gradient(top, #2662c3, #5987d1);
   padding: 5px 10px;
   -webkit-border-radius: 8px;
   -moz-border-radius: 8px;
   border-radius: 8px;
   -webkit-box-shadow: rgba(0,0,0,1) 0 1px 0;
   -moz-box-shadow: rgba(0,0,0,1) 0 1px 0;
   box-shadow: rgba(0,0,0,1) 0 1px 0;
   text-shadow: rgba(0,0,0,.4) 0 1px 0;
   color: #ffffff;
   font-size: 14px;
   font-family: Georgia, serif;
   text-decoration: none;
   vertical-align: middle;
   }
button:hover {
   border-top-color: #2662c3;
   background: #2662c3;
   color: #bdbdbd;
   }
button:active {
   border-top-color: #2662c3;
   background: #2662c3;
   }

body {
    background-color: #555555;
}