* {
  font-size: 16px;
  line-height: 2;
}

html {
  overflow-y: scroll; 
}

body {
  padding-top: 60px;
}

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

.container {
  margin-right: auto;
  margin-left: auto;
  max-width: 900px;
}

.vertical-center {
  min-height: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
}