* {
  margin: 0;
  text-align: center;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: rgb(41, 41, 41)
}

body {
  background-color: rgb(241, 241, 241);
}

#cardholder {
  width: 100%;
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  scroll-behavior: smooth;
}

#scroll_btn {
  background-color: white;
  margin: auto;
  font-size: xx-large;
  cursor: pointer;
  border-radius: 50%;
  width: 1.5em;
  height: 1.5em;
  box-shadow: 1px 1px 10px rgba(71, 71, 71, 0.397);
  -webkit-touch-callout: none;
  /* iOS Safari */
  -webkit-user-select: none;
  /* Safari */
  -khtml-user-select: none;
  /* Konqueror HTML */
  -moz-user-select: none;
  /* Old versions of Firefox */
  -ms-user-select: none;
  /* Internet Explorer/Edge */
  user-select: none;
}

.card {
  background-color: white;
  padding: 1em;
  margin: 1em;
  width: 400px;
  flex: 0 0 auto;
  border-radius: 12px;
  box-shadow: 1px 1px 10px rgba(71, 71, 71, 0.397);
}

.card img {
  max-width: 100%;
  border-radius: 7px;
}

.card p {
  width: 90%;
  margin: 1em auto 0 auto;
}