<!doctype html>
<html lang="ja">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- fontawesome -->
    <link href="https://use.fontawesome.com/releases/v5.0.10/css/all.css" rel="stylesheet">
    <script defer src="https://use.fontawesome.com/releases/v5.0.10/js/all.js"></script>
    <link href="btn-style.css" rel="stylesheet">
    <title>タイトル</title>
    <link rel="shortcut icon" href="favicon.ico">
  </head>
  <body>

    <div class="container">


      
      
      <div class="btn-1">
        ボタンはこちら1
      </div>

      <div class="btn-2">
        ボタンはこちら2<i class="fas fa-caret-right"></i>
      </div>

      <div class="btn-3">
        ボタンはこちら3<i class="fas fa-caret-right"></i>
      </div>

      <div class="btn-4">
        ボタンはこちら4
      </div>

      <div class="btn-5">
        ボタンはこちら5
      </div>

      <div class="btn-6">
        <span>ボタンはこちら6</span>
      </div>

      <div class="btn-7">
        <span>ボタンはこちら7</span>
      </div>

      <div class="btn-10">
        ボタンはこちら10<i class="fas fa-caret-right"></i>
      </div>

      <div class="btn-9">
        ボタンはこちら9
      </div>

      <div class="btn-11">
        <a href="リンクはこちら">
          ボタンはこちら11
        </a>  
      </div>
      
    </div>



    <!-- Optional JavaScript -->
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
  </body>
</html>
body{
  font-family: Yu Gothic;
}
/*共通*/
/* 幅が 767px 以下のとき */
@media (max-width:767px) {
  .container{
    width:100%;
  }
}
/* 幅が 768px 以上のとき */
@media (min-width:768px) {
  .container{
    width:100%;
    text-align: center;
    margin:0 auto;
  }
}




.btn-1{
  width: 150px;
  margin:0 auto;
  background-color: #3F51B5;
  color: white;
  font-size:16px;
  font-weight: bold;
  padding:15px 93px 14px 16px;
  border-radius:3px;
}

.btn-2{
  width: 230px;
  margin:20px auto 0 auto;
  background-color: #3F51B5;
  color: white;
  font-size:16px;
  font-weight: bold;
  padding:15px 11.9px 14px 16px;
  border-radius:3px;
}
  .btn-2 .fa-caret-right{
    float: right;
    height: 26px;
  }

.btn-3{
  width: 230px;
  margin:20px auto 0 auto;
  background-color: #3F51B5;
  color: white;
  font-size:16px;
  font-weight: bold;
  padding:15px 11.9px 14px 16px;
  border-radius:3px;
}
  .btn-3 .fa-caret-right{
    width: 18px;
    height: 16px;
  }

.btn-4{
  width: 230px;
  margin:20px auto 0 auto;
  background-color: #3F51B5;
  color: white;
  font-size:16px;
  font-weight: bold;
  padding:15px 11.9px 14px 16px;
  border-radius:3px;
  border-bottom:5px solid #25379B;
  text-align: center;
}

.btn-5{
  width: 230px;
  margin:20px auto 0 auto;
  background: linear-gradient(#3F51B5, #20295B);
  color: white;
  font-size:16px;
  font-weight: bold;
  padding:15px 11.9px 14px 16px;
  border-radius:3px;
  text-align: center;
}

.btn-6{
  width: 100%;
  margin-top:20px;
  background-color: #333333;
  border:1px solid #707070;
  text-align: center;
  height: 104px;
  align-items: center;
  display: flex;
}
  .btn-6 span{
    border:2px solid white;
    width: 230px;
    margin:26px auto 28px auto;
    color: white;
    font-size:16px;
    font-weight: bold;
    padding:15px 11.9px 14px 16px;
    text-align: center;
  }

.btn-7 {
  margin:20px 0 0 20%;
  display: inline-block;
  text-decoration: none;
  background: #3F51B5;
  color: white;
  width: 123px;
  height: 123px;
  border-radius: 50%;
  text-align: center;
  overflow: hidden;
  position: relative;
}
  .btn-7 span {
    font-weight: bold;
    position: absolute;
    top:0;
    left:0;
    width: 64px;
    height: 47px;
    padding:38px 30px 38px 29px;
  }

.btn-10{
  width: 230px;
  margin:20px auto 0 auto;
  background-color: #3F51B5;
  color: white;
  font-size:16px;
  font-weight: bold;
  padding:15px 11.9px 14px 16px;
  border-radius:115px;
}
  .btn-10 .fa-caret-right{
    float: right;
    height: 26px;
  }

.btn-9{
  width: 230px;
  margin:20px auto 0 auto;
  background-color: #3F51B5;
  color: white;
  font-size:16px;
  font-weight: bold;
  padding:15px 11.9px 14px 16px;
  border-radius:3px;
  border-bottom:5px solid #25379B;
  text-align: center;
}

.btn-11 a {
  width: 200px;
  background-color: #333;
  border-radius: 5px;
  box-shadow: 0 3px 0 rgba(0,0,0,0.3);
  color: #ffffff;
  display: block;
  font-size: 14px;
  text-align: center;
  text-decoration: none;
  margin: 10px auto;
  padding: 10px 0;
}
.btn-11 a:hover {
    box-shadow: none;
    transform: translate3d(0, 2px, 0);
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.