* {
  font-family: arial, helvetica, sans-serif;
  font-size: 1em;
  line-height: 2;
  color: #333;
  outline: none;
  -moz-outline: none;
}

details {
  margin-bottom: 40px;
  text-align: center;
  width: 100%;
} details:hover {
  cursor: default!important;
} summary:hover {
  cursor: pointer;

}

.flex-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  padding: 1em;
}
.flex-item {
  margin: 1em;
  text-align: center;
}

.flex-img {
  width: clamp(333px, 50%, auto);
  max-height: 222px;
  overflow: hidden;
}

.flex-txt {
  width: clamp(333px, 50%, auto);
  height: auto;
  overflow: hidden;
}

.btn {
  background-color: #333;
  border: none;
  color: white;
  padding: .75em 1.5em;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: .5em;
  cursor: pointer;
}

form {
  margin-top: 50px;
  margin-bottom: -5px;
  position: relative;
  text-align: center;
  vertical-align: middle;
}