.flex-container
{
  display:flex;
  width:600px;
  height:600px;
  background-color:lightgrey;
  flex-direction:column;
  justify-content: center;
}

.flex-item
{
  width:200px;
  height:50px;
  margin:5px;
  background-color: blue;
  flex-item:center;
}
body {
	line-height: 1;
}
.rentals-table {
    border-collapse:collapse;
    border-spacing:0;
}
ol,ul {
    list-style:none;
}
p,h1,h2{
    font-size:16px;
    font-weight:normal;
}
iframe{
  margin:0;
  padding:0;
  border:0;

}