* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100%25' height='100%25' viewBox='0 0 1200 800'%3E%3Cdefs%3E%3CradialGradient id='a' cx='0' cy='800' r='800' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%23ff8000'/%3E%3Cstop offset='1' stop-color='%23ff8000' stop-opacity='0'/%3E%3C/radialGradient%3E%3CradialGradient id='b' cx='1200' cy='800' r='800' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%2300ff19'/%3E%3Cstop offset='1' stop-color='%2300ff19' stop-opacity='0'/%3E%3C/radialGradient%3E%3CradialGradient id='c' cx='600' cy='0' r='600' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%239900ff'/%3E%3Cstop offset='1' stop-color='%239900ff' stop-opacity='0'/%3E%3C/radialGradient%3E%3CradialGradient id='d' cx='600' cy='800' r='600' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%23ffff00'/%3E%3Cstop offset='1' stop-color='%23ffff00' stop-opacity='0'/%3E%3C/radialGradient%3E%3CradialGradient id='e' cx='0' cy='0' r='800' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%23FF0000'/%3E%3Cstop offset='1' stop-color='%23FF0000' stop-opacity='0'/%3E%3C/radialGradient%3E%3CradialGradient id='f' cx='1200' cy='0' r='800' gradientUnits='userSpaceOnUse'%3E%3Cstop offset='0' stop-color='%230CF'/%3E%3Cstop offset='1' stop-color='%230CF' stop-opacity='0'/%3E%3C/radialGradient%3E%3C/defs%3E%3Crect fill='url(%23a)' width='1200' height='800'/%3E%3Crect fill='url(%23b)' width='1200' height='800'/%3E%3Crect fill='url(%23c)' width='1200' height='800'/%3E%3Crect fill='url(%23d)' width='1200' height='800'/%3E%3Crect fill='url(%23e)' width='1200' height='800'/%3E%3Crect fill='url(%23f)' width='1200' height='800'/%3E%3C/svg%3E");
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
}

header {
  height: 15vh;
  width: 100vw;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  border-bottom: solid 2px #000;
  background-color: #0005;
  color: #ccc;
}

header h1 {
  align-items: center;
  /* transform: translateY(0.75rem); */
}

main {
  min-height: 76vh;
  width: 80vw;
  padding: 1vh 1vw;
  margin: 2vh 2vw;
  background-color: #fff9;
  border: solid 1px #000;
  border-radius: 0.5rem;
}

div#buttons {
  width: 100%;
  display: flex;
  justify-content: center;
}

button {
  min-width: 10vw;
  height: 25px;
  margin: 5px;
  padding: 5px;
}

footer {
  min-height: 5vh;
  width: 100vw;
  display: flex;
  justify-content: space-around;
  align-items: center;
  text-align: center;
  border-top: solid 2px #000;
  font-size: 0.75rem;
  background-color: #0005;
  color: #ccc;
}