html, body {
  margin: 0;
  padding: 0;
}
canvas {
  display: block;
}

body{
  background: white;
}

main{
  width: 100%;
  height:100%;
}

#sketch-container{
  width: 100%;
  height: 100%;
}

#gui-container{
  position: fixed;
  bottom: 0;
  left: 10px;
  z-index: 100;
  width: 220px;
  padding: 10px;
  border-radius: 10px;
  margin: 10px 0;
  box-sizing: border-box;
  background-color: rgb(255,255,255,0.7);
}

@media screen and (max-width: 500px) {
  #gui-container{
    left:0;
    margin:0;
    border-radius: 10px 10px 0  0;
    width:100%;
  }
  .button{
    margin: 0 auto;
    display: block;
  }
}


.button{
  background-color: #371bd3;
  border: solid 1px #371bd3;
  border-radius:10px;
  color :white;
  padding: 5px 20px;
  text-align: center;
}

.button:hover{
background-color: white;
color:#371bd3;
}