style.css

/* a minimalist set of CSS resets */

/* default to border-box */
html {
  box-sizing: border-box;
  font-size: 16px;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

/* adjust typography defaults */
body {
  margin: 1rem;
  font-family: sans-serif;
  line-height: 1.5;
  background-color: hsla(14, 100%, 53%, 0.6);
  color: white;
}

h1 {
  font-family: Courier New, arial, sans-serif;
  text-align: center;
}

button {
  padding: 11px;
  border-radius: 10px;
}

#gameButtonArea > button {
  width: 200px;
  height: 200px;
  margin: 2px;
}

.hidden {
  display: none;
}

#button1 {
  background: lightgreen;
}
#button2 {
  background: lightblue;
}
#button3 {
  background: pink;
}
#button4 {
  background: lightyellow;
}
#button5 {
  background: sandybrown;
}
#button6 {
  background: plum;
}
#button1:active, #button1.lit {
  background: green;
}
#button2:active, #button2.lit {
  background: blue;
}
#button3:active, #button3.lit {
  background: red;
}
#button4:active, #button4.lit {
  background: yellow;
}
#button5:active, #button5.lit {
  background: sienna;
}
#button6:active, #button6.lit {
  background: purple;
  
}
p
{
  text-align:center;
}

#button1 img
{
    visibility:hidden;
    height: 140px;  
    width: 130px;
}
#button2 img
{
    visibility:hidden;
    height: 140px;  
    width: 140px;
}
#button3 img
{
    visibility:hidden;
    height: 140px;  
    width: 150px;
}
#button4 img
{
    visibility:hidden;
    height: 140px;  
    width: 160px;
}
#button5 img
{
    visibility:hidden;
    height: 140px;  
    width: 140px;
}
#button6 img
{
    visibility:hidden;
    height: 140px;  
    width: 130px;
}
/* images and videos max out at full width */
img
video {
  height: auto;
  max-width: 100%;
}