.btn{
	cursor: pointer;
	display: inline-block;
	padding: 0 0.4em;
	font-size: 0.8em;
	margin: 0.5em 0.2em;
	border-radius: 3px;
	border: 1px solid #ff646d;
	color: #fff;
	background: #ff646d;
	text-align: center;
}
.btn:not(.disabled):hover{
    transform: scale(1.02);
}
.btn.disabled{
	opacity: 0.4;
}
.timer{
	border: 1px solid #ddd;
	background-color: #eee;
	box-shadow: 0 0 0;
	margin-left: -5px;
	border-radius: 10px;
	padding: 0.3rem 0.2rem;
	width: 100%;
	max-width: 100%;
	text-align: center;
}
audio{
	display:block;
	margin: 10px 0px;
}

#start, #stop, #replay {
  width: 43%;
  height: 50px;
  font-size: 130%;
  line-height: 3;
}
#stop {
  float: right;
}
#replay {
  width: calc(100% - 1.3em);
  height: 50px;
  line-height: 3;
}
.btn--start, .btn--stop, .btn--replay {
  width: 43%;
  height: 50px;
  font-size: 130%;
  line-height: 3;
}
.btn--stop {
  float: right;
}
.btn--replay {
  width: calc(100% - 1.3em);
  height: 50px;
  line-height: 3;
}
.btn:not(.disabled):hover{
    transform: scale(1.02);
}
.btn:not(:disabled):hover {
    transform: scale(1.02);
}
.btn:disabled {
	opacity: 0.4;
}