* {
  box-sizing: border-box;
}

body {
  max-width: 900px;
  margin: 10px auto;
  font-family: Verdana, sans-serif;
  line-height: 1.4;
  color: #333;
  padding: 15px;
}

header {
  text-align: center;
}

h1 {
  color: #1c6296;
}

h1 span {
  display: block;
  font-size: smaller;
  font-style: italic;
  font-weight: normal;
}

p {
  padding: 0 15px;
}

a {
  color: #1c6296;
  text-decoration: none;
}

.icon {
  padding: .5em;
}

.spin {
  animation: spin 2s linear infinite;
}

@keyframes spin {
  100% { transform:rotate(360deg); }
}

.overlay {
  position: fixed; 
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(0,0,0,0.75);
  z-index: 2;
  cursor: pointer;
  padding: 15px;
  font-size: 30px;
  color: #fff;
  font-weight: bold;
}

form .fieldset {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}

form .fieldset .legend {
  width: 100%;
  padding: 15px;
}

form .fieldset .legend div:nth-child(1) {
  font-size: 28px;
  color: #1c6296;
  text-align: center;
  font-weight: bold;
}
form .fieldset .legend div:nth-child(2) {
  font-size: 24px;
  color: #1c6296;
  text-align: center;
  font-style: italic;
}
form .fieldset .legend div:nth-child(3) {
  margin-top: 15px;
}
form .fieldset .legend div:nth-child(4) {
  margin-top: 15px;
  font-style: italic;
}

.msg {
  padding: 15px;
  margin: 10px;
  width: 100%;
  border: thin solid;
  border-radius: 5px;
}

.msg.error {
  color: #a94442;
  background-color: #f2dede;
  border-color: #ebccd1;
}

.msg.success {
  color: #3c763d;
  background-color: #dff0d8;
  border-color: #d6e9c6;
}

form .item {
  display: flex;
  flex-direction: column;
  padding: 15px;
}

form .item-submit {
  align-items: left;
}

form .item > label:first-child {
  font-weight: bold;
}

form .item > label:first-child + label {
  font-size: smaller;
  font-style: italic;
}

form .item input,
form .item select,
form .item textarea {
  margin: 5px 0;
}

form .item textarea {
  height: 100%;
  resize: vertical;
}

form .item .choices {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
}

form .item .choices label {
  min-width: 33%;
  padding-right: 15px;
}

form .item .ranges {
  display: flex;
  flex-wrap: wrap;
}

form .item .ranges select {
  flex-grow: 1;
}

form .item input[type="checkbox"] {
  width: initial;
  vertical-align: middle;
}

form .item.error {
  color: #a94442;
}

/* mobile phones: */
form .item {
  width: 100%;
}

@media (min-width: 480px) {
  /* landscape: */
  form .item {
    width: calc(100% / 2);
  }
}

@media (min-width: 768px) {
  /* tablet: */
  form .item {
    width: calc(100% / 2);
  }
}

form .item-wide {
  width: 100%;
}

footer ul {
  list-style: none;
  width: 100%;
  padding: 0 10px;  
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
 
footer ul li {
  padding: 0 10px;
}

.hidden {
  display: none !important;
}