Css button border

border: 2px solid #000;

Css button style rectangle

.placeholder-box {
  position: relative;
  display: block;
  width: 300px;
  min-height: 150px;
  margin-top: 50px;
  padding: 30px;
  border: 1px solid #888;
  border-radius: 10px;
  box-sizing: border-box;
  box-shadow: 0 0 8px 0 rgba(0,0,0,0.25);
}

.placeholder-box p {
  text-align: center;
  margin: 0 0 15px;
}

.placeholder-box ul {
  margin: 0;
}

/* Button */

button {
 display: block;
 border: solid white;
 border-width: 0 10px;
 border-radius: 0;
 background: green;
 color: white;
 font-size: 18px;
 margin: -60px auto 15px;
 padding: 15px;
}

Source: stackoverflow.com

Similar codes

18 votes121 views2 answers
How to make a game engine
CSS
2 votes221 views1 answer
Changong text color css
CSS
0 vote129 views1 answer
Best os for programming
CSS
0 vote142 views1 answer
Lando expose database port
CSS
6 votes158 views3 answers
Css for safari only
CSS
0 vote127 views1 answer
Backwards text css
CSS
0 vote117 views1 answer
Video camera icon font awesome
CSS
0 vote133 views2 answers
How to make grid css
CSS
0 vote136 views1 answer
Meaning of bbc
CSS
0 vote136 views1 answer
Ul list style type image
CSS