*{
  box-sizing: border-box;
  }

html, body {
  display: block;
  background-color: rgb(220, 220, 220);
  font-family: 'Helvetica', 'Arial', sans-serif;
  text-align: center;
  margin-top: 50px;
  padding: 0;
  justify-content: center;
  align-items: center;
}

h1 .header{
  font-family: 'Helvetica', 'Arial', sans-serif;
}

p{
  font-family: 'Helvetica', 'Arial', sans-serif;
}

canvas {
  margin: 0 auto;
  display: block;
}

.header{
  margin: 0;
  padding: 0;
}

.logo{
  display: block;
  /* margin-top: 0px; */
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
  width: 50%;
}

.container{
  /* border: 3px solid; */
  margin: 0;
  /* display: block; */
}

.footer{
  position: fixed;
  bottom: 0;
  width: 100%;
  /* height: 2.5rem;   */
} 

button{
  /* display: flex; */
  /* margin-top: 50px; */
  padding: 0;
  /* justify-content: center; */
  /* align-items: center; */
  font-family: 'Helvetica', 'Arial', sans-serif;
  text-align: center;
}

/* .container{
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  } */