<button class="cp_button02">button</button>

.cp_button02 {
	display: inline-block;
	width: 160px;
	padding: 1em;
	line-height: 1.4em;
	cursor: pointer;
	user-select: none;
	transition: box-shadow 0.2s, transform 0.2s;
	color: #ec407a;
	border-width: 0;
	border-style: solid;
	border-radius: 12% / 50%;
	background: transparent;
	box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}
.cp_button02:hover {
	-webkit-transform: scale(1.02);
	        transform: scale(1.02);
	box-shadow: 0 1px 6px 1px rgba(0, 0, 0, 0.2);
	color: #ec407a;
}
.cp_button02:active {
	transition-duration: 0.05s;
	-webkit-transform: scale(0.99);
	        transform: scale(0.99);
	box-shadow: 0 2px 3px 1px rgba(0, 0, 0, 0.15) inset;
}
.cp_button02:focus,
.cp_button02:focus:hover {
	color: #ec407a;
}