body {
  font-family: "PT Serif", Lato, "Lucida Grande", Tahoma, sans-serif;
  margin-left: auto;
  margin-right: auto;
  max-width: 90%;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: .5rem;
}

.align-items-center {
  align-items: center !important;
}

.float-left {
  float: left !important;
}

.float-right {
  float: right !important;
}

.font-size-smaller {
  font-size: smaller !important;
}

.item-text {
  min-width: 300px;
}

.justify-content-center {
  justify-content: center !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mb-30 {
  margin-bottom: 30px !important;
}

.ml-10 {
  margin-left: 10px !important;
}

.mt-0 {
  margin-top: 0 !important;
}

.mt-10 {
  margin-top: 10px !important;
}

.mt-20 {
  margin-top: 20px !important;
}

.mt-30 {
  margin-top: 30px !important;
}

.mr-10 {
  margin-right: 10px !important;
}

.text-align-center {
  text-align: center !important;
}