.main-app{
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 0;
}

.flex{
  display:flex;
  flex-wrap: wrap;
}

.parent {
  position:relative;
  margin-right: 10px;
  flex: 1;
}

.parent:first-child {
  flex: 1.5;
}

.parent label {
  position: absolute;
  top: 5px;
  left: 10px;
  font-size: 13px;
  color: #999;
}

.parent select {
  padding-top: 25px;
  padding-bottom: 8px;
  padding-left: 10px;
  padding-right: 10px;
  font-size: 16px;
  cursor: pointer;
}

.form-select{
  background-size: 16px 25px !important;
}

@media screen and (max-width: 768px) {
  .form-select{
    background-size: 16px 18px !important;
  }
  .parent select {
    padding-bottom: 5px;
    font-size: 14px;
  }
}

@media screen and (max-width: 420px) {
  .form-select {
    background-size: 16px 12px !important;
  }
}

@media screen and (max-width: 320px) {
  .navbar-brand span {
    display: none;
  }
}

.fs-sm {
  font-size: 12px;
  color:#999;
}

.main {
  min-height: calc(100vh - 250px);
}

.bg-primary {
  background-color: #1DA1F2 !important;
}

.nav-link.active {
  color: #1DA1F2 !important;
}

.navbar {
  border-bottom: 1px solid #e6ecf0;
}