body, .bg {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}
.bg{
	background-size:cover;
	position: relative;
}
.bottom{
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
}
.mb5{
	margin-bottom: 5px;
}
.valign-wrapper{
    min-height: 100vh;
}
.valign{
	margin: auto;
}
#input{
	font-size: 24px;
}
#image img{
	width: 120px;
	height: auto;
}
#sound p{
	border-radius: 5px;
}
#sound p:hover{
	background: #26a69a;
	box-shadow: 0 2px 5px 0 rgba(0,0,0,0.16), 0 2px 10px 0 rgba(0,0,0,0.12);
}
#sound img{
	width: 100px;
	height: auto;
	vertical-align: middle;
	margin-right: 10px;
}
#sentence{
	border: 1px solid #aaa;
	padding: 10px 20px;
}
label{
	font-size: 24px;
	color: #666;
}
@media print{
	.no-print{
		display: none;
	}
}