style.css

body, html {
  margin: 0;
  padding: 0;
  font-family: 'PT Mono';
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #DDD;
}

#main {
  max-width: 1000px;
  background-color: #FFF;
  padding: 30px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  border-top: 4px solid #176da4;
  border-radius: 2px;
}

#canvas_wrapper {
  display: flex;
}

#sliders {
  width: 100%;
  order: 2;
  padding: 20px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  align-items: center;
}

.input {
  display: flex;
  align-items: center;
  justify-content: : center;
}
.input > span {
  margin-right: 10px;
}

@media (max-width: 1000px) {

  #canvas_wrapper{
    flex-direction: column;
    align-items: center;
  }

}
.button {
  text-decoration: none;
  padding-left: 10px;
  padding-right: 10px;
  padding-top: 5px;
  padding-bottom: 5px;
  margin: 10px;
  font-weight: normal;
  color: #176da4;
  display: inline-block;
  border-radius: 3px;
  transition: all .1s ease-in-out;
  border: 3px solid #176da4;
  background-color: rgba(0, 0, 0, 0);
}

h2 > a {
  text-decoration: none;
  color: black;
  position: absolute;
  top: 20px;
  left: 0;
  font-size: 30px;
  width: 100%;
  text-align: center;
  transition: all .3s ease-in-out;
}

h2 > a:hover {
  transform: scale(1.1);
}

.fa-drum {
  color: #176da4;
}