google material button

pure css

by John Doe

HTML

<div>
      <button class="button" type="button">
        <span>
          submit
        </span>
      </button>
    <button class="button" type="button">
        <span>
          submit
        </span>
      </button>
            <button class="button" type="button">
        <span>
          submit
        </span>
      </button>
    </div>

CSS

* {
	
	box-sizing: border-box;
}
	*::after,
	*::before {
		box-sizing: border-box;
	}


.button {
    position: relative;
    background: currentColor;
    border: 1px solid currentColor;
    font-size: 1.1rem;
    color: #4f93ce;
    margin: 3rem 0;
    padding: 0.75rem 3rem;
    cursor: pointer;
    transition: background-color 0.28s ease, color 0.28s ease, box-shadow 0.28s ease;
    overflow: hidden;
    box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
}
.button:hover {
    color: #337ab7;
    box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.14), 0 1px 18px 0 rgba(0, 0, 0, 0.12), 0 3px 5px -1px rgba(0, 0, 0, 0.2);
}
.button span {
    color: #fff;
    position: relative;
    z-index: 1;
}
.button::before {
    content: '';
    position: absolute;
    background: #071017;
    border: 50vh solid #1d4567;
    width: 30vh;
    height: 30vh;
    border-radius: 50%;
    display: block;
    top: 50%;
    left: 50%;
    z-index: 0;
    opacity: 1;
    transform: translate(-50%, -50%) scale(0);
}
.button:active::before, .button:focus::before {
    transition: transform 1.12s ease, opacity 0.28s ease 0.364s;
    transform: translate(-50%, -50%) scale(1);
    opacity: 0;
}
.button:focus {
    outline: none;
}