speech-input.css

.si-wrapper {
	display: inline-block;
	position: relative;
}

.speech-input {
	margin: 0;
}

.si-wrapper button {
	position: absolute;
	top: 0;
	right: 0;
	height: 18px;
	width: 18px;
	margin: 0;
	border: 0;
	padding: 0;
	background: none;
	font: 0/0 a;
}

.si-mic,
.si-mic:after,
.si-holder,
.si-holder:before,
.si-holder:after {
	position: absolute;
	background: #333;
}

/* Microphone icon */
.si-mic {
	display: block;
	height: 25%; /* 8px / 32px */
	top: 9.375%; /* 3px / 32px */
	left: 37.5%; /* 12px / 32px */
	right: 37.5%; /* 12px / 32px */
	-webkit-border-radius: 99px 99px 0 0;
	-moz-border-radius: 99px 99px 0 0;
	border-radius: 99px 99px 0 0;
}

.si-mic:before,
.si-mic:after,
.si-holder {
	-webkit-border-radius: 0 0 99px 99px;
	-moz-border-radius: 0 0 99px 99px;
	border-radius: 0 0 99px 99px;
}

.si-mic:before {
	position: absolute;
	z-index: 1;
	content: '';
	width: 150%; /* 12px / 8px */
	height: 137.5%; /* 11px / 8px */
	top: 100%; /* 8px / 8px */
	left: -25%; /* -2px / 8px */
	background: #fff;
}

.si-mic:after {
	z-index: 1;
	content: '';
	width: 100%; /* 10px / 10px */
	height: 100%; /* 10px / 10px */
	top: 110%; /* 11px / 10px */
	left: 0;
}

.si-holder {
	display: block;
	height: 40.625%; /* 13px / 32px */
	width: 50%; /* 16px / 32px */
	left: 25%; /* 8px / 32px */
	top: 37.5%; /* 12px / 32px */
}

.si-holder:after {
	content: '';
	width: 66.666%; /* 8px / 16px */
	height: 18.182%; /* 2px / 13px */
	bottom: -30.769%; /* -4px / 13px */
	left: 16.667%; /* 2px / 16px */
}

.si-holder:before {
	content: '';
	width: 33.333%; /* 4px / 16px */
	height: 27.273%; /* 3px / 13px */
	top: 92.308%; /* 12px / 13px */
	left: 33.333%; /* 4px / 16px */
}