* {
  margin: 2px;
  padding: 0;
}

HTML {
  background-color: black;
  color: white;
}

html,
h1 {
  text-align: center;
}

header {
  border-bottom: 1px solid rgb(58, 58, 60);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.title {
  color: gainsboro;
  font-size: 2.5rem;
  font-weight: bold;
  margin: 0.4rem 0 0.4rem 0;
  text-align: center;
  font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
    "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
}

body {
  height: 100%;
  font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
    "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
  display: flex;
  flex-direction: column;

  align-items: center;
}

menu {
  display: flex;
  flex-direction: column;
}
/*
<!-- HTML !-->
<button class="button-37" role="button">Button 37</button>
*/
/* CSS */
.button-37 {
  background-color: #13aa52;
  border: 1px solid #13aa52;
  border-radius: 4px;
  box-shadow: rgba(0, 0, 0, 0.1) 0 2px 4px 0;
  box-sizing: border-box;
  color: #fff;
  cursor: pointer;
  font-family: "Akzidenz Grotesk BQ Medium", -apple-system, BlinkMacSystemFont,
    sans-serif;
  font-size: 16px;
  font-weight: 400;
  outline: none;
  outline: 0;
  padding: 10px 25px;
  text-align: center;
  transform: translateY(0);
  transition: transform 150ms, box-shadow 150ms;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.button-37:hover {
  box-shadow: rgba(0, 0, 0, 0.15) 0 3px 9px 0;
  transform: translate(5px);
  background-color: #138d46;
}

.button-38 {
  background-color: #0f753a;
  border: 1px solid #000803;
  border-radius: 4px;
  box-shadow: rgba(0, 0, 0, 0.1) 0 2px 4px 0;
  box-sizing: border-box;
  color: #fff;
  cursor: pointer;
  font-family: "Akzidenz Grotesk BQ Medium", -apple-system, BlinkMacSystemFont,
    sans-serif;
  font-size: 16px;
  font-weight: 400;
  outline: none;
  outline: 0;
  padding: 10px 25px;
  text-align: center;
  transform: translateY(0);
  transition: transform 150ms, box-shadow 150ms;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.button-38:hover {
  box-shadow: rgba(0, 0, 0, 0.15) 0 3px 9px 0;
  transform: translate(5px);
  background-color: #043d1c;
}
.button-39 {
  background-color: #81b195;
  border: 1px solid #edf0ee;
  border-radius: 4px;
  box-shadow: rgba(0, 0, 0, 0.1) 0 2px 4px 0;
  box-sizing: border-box;
  color: #fff;
  cursor: pointer;
  font-family: "Akzidenz Grotesk BQ Medium", -apple-system, BlinkMacSystemFont,
    sans-serif;
  font-size: 16px;
  font-weight: 400;
  outline: none;
  outline: 0;
  padding: 10px 25px;
  text-align: center;
  transform: translateY(0);
  transition: transform 150ms, box-shadow 150ms;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.button-39:hover {
  box-shadow: rgba(0, 0, 0, 0.15) 0 3px 9px 0;
  transform: translate(5px);
  background-color: #81e0a8;
}
.button-40 {
  background-color: #055627;
  border: 1px solid #000803;
  border-radius: 4px;
  box-shadow: rgba(0, 0, 0, 0.1) 0 2px 4px 0;
  box-sizing: border-box;
  color: #fff;
  cursor: pointer;
  font-family: "Akzidenz Grotesk BQ Medium", -apple-system, BlinkMacSystemFont,
    sans-serif;
  font-size: 16px;
  font-weight: 400;
  outline: none;
  outline: 0;
  padding: 10px 25px;
  text-align: center;
  transform: translateY(0);
  transition: transform 150ms, box-shadow 150ms;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.button-40:hover {
  box-shadow: rgba(0, 0, 0, 0.15) 0 3px 9px 0;
  transform: translate(5px);
  background-color: #043d1c;
}

@media (min-width: 768px) {
  .button-37 {
    padding: 10px 30px;
  }
  .button-38 {
    padding: 10px 30px;
  }
  .button-39 {
    padding: 10px 30px;
  }
  .button-40 {
    padding: 10px 30px;
  }
}

.user {
  font-size: 2rem;
  color: green;
  text-align: center;
  margin: 0.4rem 0 0.4rem 0;
  display: inline-block;
}

.spacer-half {
  flex-grow: 0.5;
}