td{
	border: medium solid #000;
	text-wrap: nowrap;
	text-align:center;
}
main{
	max-width:500px;
	margin:auto
}
tr{
	width:auto;
}
table {
  margin:auto;
}
div.footer	{
	width:99%;
	text-align: right;
}
.value_container {
	width:5em;
}
.vertical {
	-ms-writing-mode: tb-rl;
	writing-mode: vertical-rl;
}
.value_slider{
	width:90%;
}
.t_c{
    text-align: center;
}
input[type='range']{
	width:90%;
}
div,p{
	text-align:left;
}