* {
  box-sizing: border-box;
}

html {
  width: 100%;
  height: 100%;
}

body {
  width: 100%;
  height: 100%;
  margin: 0;
  display: grid;
  grid-template-rows: 50% 50%;
  justify-items: center;
  align-items: center;
  background-color: #151820;
}

body::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(50% - 1px);
  width: 100%;
  border-bottom: 2px solid #bdc3c7;
}

svg {
  max-width: 100%;
  max-height: 100%;
}