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: #404040;
  color: white;
  text-align: center;
}

/* images and videos max out at full width */
img,
video {
  height: auto;
  max-width: 100%;
}

h1{
  font-family: verdana, arial, sans-serif; 
}

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

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

.hidden{
  display: none;
}

.show{
  display:block;
}

.in_picture{
  width: 40%;
  height: 40%;
}


#startBtn, #stopBtn{
  background: transparent; 
  border-color: transparent;
  width: fit-content;
  padding: 20px 35px;
  color: #FFFACD;
  font-size: 24px;
  text-transform: uppercase;
  font-family:'Trebuchet MS', sans-serif;
  transition: 0.8s;
  letter-spacing: 2px;
  cursor: pointer;
}

#startBtn:hover, #stopBtn:hover {
  background-color: #FFFACD;
  color: #050801;
  box-shadow: 0 0 4px #FFFACD,
              0 0 20px #FFFACD,
              0 0 40px #FFFACD,
              0 0 180px #FFFACD;
}

/* set the format and features for buttons */

#gameButtonArea{
  display: flex;
  justify-content: center;
}

#button1{
  background: aquamarine;
}

#button1:active, #button1.lit{
  background: green;
}

#button2{
  background: lightblue;
}

#button2:active, #button2.lit{
  background:blue;
}

#button3{
  background: pink;
}

#button3:active, #button3.lit{
  background:red;
}


#button4{
  background: lightyellow;
}


#button4:active, #button4.lit{
  background:yellow;
}


#button5{
  background: #f0f0f5;
}

#button5:active, #button5.lit{
  background: #73738c;
}

#title_countDown{
  margin: 0px;
  margin-bottom: 5px;
  font-family: Bradley Hand, cursive
}