html {
  box-sizing: border-box;
  background:#00811A;
  font-family:'helvetica neue';
  font-size: 20px;
  font-weight: 200;
}
body {
  margin: 0;
}
*, *:before, *:after {
  box-sizing: inherit;
}
h1 {
  margin-top: 0;
}
.site-wrap {
  max-width: 700px;
  margin: 100px auto;
  background:white;
  padding:40px;
  text-align: justify;
}
.align-left {
  float:left;
  margin-right:20px;
}
.align-right {
  float:right;
  margin-left:20px;
}
.slide-in {
  opacity:0;
  transition:all .5s;
}
.align-left.slide-in {
  transform:translateX(-30%) scale(0.95);
}
.align-right.slide-in {
  transform:translateX(30%) scale(0.95);
}
.slide-in.active {
  opacity:1;
  transform:translateX(0%) scale(1);
}