body {
  background-color: #f8fafc;
}

#main-content {
  background: #f8fafc;
}

.page-title {
  margin-bottom: 2em;
}

.totales {
  /*height: 160px !important;*/
}

.flex-container {
  padding: 0;
  margin: 0;
  list-style: none;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  /*height: 240px;*/
}

.flex-container .tile {
  display: inline-grid;
  width: 100%;
  max-width: 275px;
  width: 275px;
  height: 100% !important;
}

.flex-container .tile .title {
  border-bottom: 1px solid #fff;
  margin: 0;
  height: 2.6em;
  text-align: center;
}

.flex-container .tile p {
  margin: 10px auto;
}

.flex-container .tile .precio {
  text-align: center;
  font-size: 1.1em;
}

.flex-item {
  margin: 5px;
  color: white;
  font-weight: bold;
  font-size: 1.5em;
  text-align: center;
  flex: 0 0 auto;
}

.flex-item .simbolo-artitmetico {
  font-size: 1.8em;
  color: black;
}

.flex-item:before {
  content: "";
  float: left;
  padding-top: 100%;
}

hr {
  border-top: 1px solid #a7a7a7;
}

.align-self-center {
  align-self: center;
}

::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: #dedede !important;
  opacity: 1;
}

::placeholder {
  /* Most modern browsers support this now. */
  color: #dedede !important;
}