body {
  margin: 0;
  display: block;
  align-content: center;
  background: linear-gradient(black, blue, purple);
  width: 100%;
  height: window;
}

#mycanvas {
  display: block;
  border: 4px solid rgb(255, 0, 128);
  border-radius: 10px;
  margin: auto;
  background-image: url(../img/back2.jpg);
  background-size: 100%;
}

#start {
  display: block;
  margin: auto;
  font-size: medium;
  font-weight: bold;
}
.buttons {
  display: block;
  padding: 10px;
}

.my-2 {
  display: inline-flex;
  color: grey;
}

.col {
  display: inline-block;
  border: none;
}

#footer-link {
  display: inline;
  padding: 0;
  margin: 0px 24px 0px 0px;
  color: grey;
}

footer {
  display: block;
  position: absolute;
  background-color: rgba(0,0,0,0.6);
  width: 100%;
  align-content: center;
  align-self: center;
  float: none;
  padding-left: 11px;
}