.header {
  display:flex; 
  justify-content:center;
}
.header a {
  text-decoration:none;
  color: inherit;
}
form {
  width: 425px;
  margin: auto;
  padding: 20px;
  border: 1px solid #ccc;
  background-color: #fff;
}
.flex-container {
  display: flex; 
  align-items: flex-start;
  margin:5px;
}
.flex-container div {
  margin-right:10px;
}
label {
  margin-right: 8px;
}
input[type="radio"] {
  margin-left: 15px;
  margin-bottom: 5px;
}
input[type="text"] {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #ccc;
  border-radius: 4px;
}
button {
  margin-left: 10px;
}
button.submit {
  width: 100%;
  padding: 6px 12px;
  margin: 0px;
  background-color: #77B8EB;
  color: white;
  border: none;
  border-radius: 4px;
}
button.submit:hover {
  background-color: #87CEFB;
}
.box {
  width: max-content;
  padding: 6px 20px;
  margin: auto;
  border: 1px solid #ccc;
  background-color: #fff;
}
#session { 
  color: #DDDDDD;
}
div.options input[type="text"] {
  width: 80px;
  box-sizing: border-box;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.grey {
  color: grey;
}
.green {
  color: green;
}
.orange {
  color: orange;
}
.red {
  color: red;
}
.vertical-middle {
  vertical-align:middle
}
.underline {
  text-decoration-line:underline;
}