style.css

* {
	font-family: Helvetica;
}

/* The switch - the box around the slider */
.switch {
	position: relative;
	display: inline-block;
	width: 60px;
	height: 34px;
  }
  
/* Hide default HTML checkbox */
.switch input {
opacity: 0;
width: 0;
height: 0;
}

/* The slider */
.slider {
position: absolute;
cursor: pointer;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: #ccc;
-webkit-transition: .4s;
transition: .4s;
}

.slider:before {
position: absolute;
content: "";
height: 26px;
width: 26px;
left: 4px;
bottom: 4px;
background-color: white;
-webkit-transition: .4s;
transition: .4s;
}

input:checked + .slider {
background-color: #2196F3;
}

input:focus + .slider {
box-shadow: 0 0 1px #2196F3;
}

input:checked + .slider:before {
-webkit-transform: translateX(26px);
-ms-transform: translateX(26px);
transform: translateX(26px);
}

/* Rounded sliders */
.slider.round {
border-radius: 34px;
}

.slider.round:before {
border-radius: 50%;
}

/* SLIDER END*/

table, th, td {
	border: 1px solid black;
}

table {
	width: 510px;
}

th, td {
	vertical-align: middle;
	text-align: center;
	padding: 8px;
}

td[colspan="3"] {
	vertical-align: baseline;
}

.myButton {
	background-color: #2196F3;
	border: none;
	border-radius: 15px;
	color: white;
	padding: 10px 25px;
	width: 85px;
	height: 40px;
	text-align: center;
	margin: 4px 2px;
	opacity: 0.8;
	transition: 0.3s;
	display: inline-block;
	text-decoration: none;
	font-size: 90%;
	cursor: pointer;
}
.myButton:hover {
	opacity: 1;
}

.withLeftMargin {
	margin-left: 20px;
}

.grid {
	display: grid;
}

#rubicImg {
	width: 100%
}