add styling to button code example

Example 1: button css

<a href="#" class="myButton">green</a>

.myButton {
	background-color:#44c767;
	border-radius:28px;
	border:1px solid #18ab29;
	display:inline-block;
	cursor:pointer;
	color:#ffffff;
	font-family:Arial;
	font-size:17px;
	padding:16px 31px;
	text-decoration:none;
	text-shadow:0px 1px 0px #2f6627;
}
.myButton:hover {
	background-color:#5cbf2a;
}
.myButton:active {
	position:relative;
	top:1px;
}

Example 2: button style css

<div>
    <style scoped="">
        .button-success,
        .button-error,
        .button-warning,
        .button-secondary {
            color: white;
            border-radius: 4px;
            text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
        }

        .button-success {
            background: rgb(28, 184, 65);
            /* this is a green */
        }

        .button-error {
            background: rgb(202, 60, 60);
            /* this is a maroon */
        }

        .button-warning {
            background: rgb(223, 117, 20);
            /* this is an orange */
        }

        .button-secondary {
            background: rgb(66, 184, 221);
            /* this is a light blue */
        }
    </style>
    <button class="button-success pure-button">Success Button</button>
    <button class="button-error pure-button">Error Button</button>
    <button class="button-warning pure-button">Warning Button</button>
    <button class="button-secondary pure-button">Secondary Button</button>
</div>

Example 3: 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;
}

Example 4: button style css

<a class="pure-button" href="#">A Pure Button</a>
<button class="pure-button">A Pure Button</button>