html {
  height: 100vh;
  margin: 0;
  overflow: hidden;
}

body {
  height: 100vh;
  background-color: #fdfef6;
  overflow: hidden;
}

.quarter {
    height: 15vh;
    text-align: center;
    display: block;
    padding: 0;
    margin: 0;
}

.half {
    height: 50vh;
    text-align: center;
    display: block;
    padding: 0;
    margin: 0;
}

.half img {
    display: inline;
    max-width: 70vw; 
    width: auto;
    height: auto;
    padding: 0;
    margin: 0;
}