.intro-button {
    cursor: pointer;
    font-family: "Helvetica Neue", "Helvetica", Arial, sans-serif;
    border: none;
    color: white;
    padding: 14px 28px;
    font-size: 3vh;
    background-color: #0AD69C;
    height: 100px;
    width: 300px;
    margin-top: 10px;
    display:inline-grid;
    text-align: center;
}
.intro-button:hover {background-color: #079C72;}


.intro-area {
  margin-top: 80px;
  background: #DAC4F7;
  height: 600px;
}
.game-area {
  margin-top: 80px;
  display:none;
  background-color: #FFEFD3;
}
.design-area {
  margin-top: 80px;
  height: 500px;
  background: #FFEFD3;
  display:none;
}
.inputfile {
	opacity: 0;
	overflow: hidden;
	position: absolute;
 cursor: pointer;
}
.inputfile_label {
  cursor: pointer;
  font-family: "Helvetica Neue", "Helvetica", Arial, sans-serif;
  border: none;
  color: white;
  padding: 14px 28px;
  font-size: 3vh;
  background-color: #7EBDC3;
  height: 100px;
  width: 300px;
  margin-top: 10px;
  display: block;
}

.startButton {
  position: absolute;
  top:50%;
  left:50%;
  display: inline-block;
  padding: 15px 25px;
  font-size: 24px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  outline: none;
  color: #fff;
  background-color: #4CAF50;
  border: none;
  border-radius: 15px;
  box-shadow: 0 9px #999;
}

.startButton:hover {background-color: #3e8e41}

.startButton:active {
  background-color: #3e8e41;
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}

.score {
  padding: 10px;
  border: 2px solid black;
  border-radius: 5px;
  background-color: #c1edf7;
}

canvas{
  touch-action:none;  /*gia th swsth doyleia ths afhs.*/
}