* {
  box-sizing: border-box;
}

body {
  padding: 100px 12px 0;
  background: #eee;
  color: #999;
  font: 18px "Courier New", Courier, monospace;
  text-align: center;
}

h2 {
  margin: 0 0 16px;
  font-size: 22px;
}

#url {
  margin: 0 0 20px;
}

#variable {
  color: #606060;
  font-weight: 700;
}

#variable-form {
  display: inline-block;
  text-align: left;
}

#input {
  width: 300px;
  padding: 8px;
  border: 1px solid #ccc;
  font: 18px "Courier New", Courier, monospace;
  background: #e0e0e0;
  color: #777;
  outline: none;
  vertical-align: top;
}

button {
  padding: 8px 20px;
  border: 1px solid #d0d0d0;
  background: #fff;
  color: #aaa;
  font: 18px "Courier New", Courier, monospace;
  font-weight: 700;
  outline: none;
  cursor: pointer;
  transition: background 300ms, color 300ms;
}

button:hover {
  background: #eee;
  color: #888;
}

#options {
  margin-top: 8px;
}

#options label {
  font-size: 16px;
}

#new-tab-option {
  width: 16px;
  height: 16px;
  margin: 0;
  vertical-align: middle;
  outline: none;
}

#url-list {
  position: relative;
  list-style-type: none;
  padding: 0;
  text-align: center;
}

#url-list li {
  margin: 0 0 12px;
}

.url-button {
  display: inline-block;
  width: 374px;
  padding: 10px;
  margin: 0 8px 0 0;
  background: #ddd;
  color: #808080;
  border: 1px solid #c9c9c9;
  cursor: pointer;
  transition: background 300ms;
}

.url-button:hover {
  background: #e9e9e9;
}

.url-button.selected {
  background: #f5f5f5;
}

.delete-button {
  display: inline-block;
  width: 26px;
  height: 26px;
  margin: auto 0;
  padding: 5px;
  border-radius: 15px;
  font: 14px sans-serif;
  background: #999;
  color: #ccc;
  cursor: pointer;
  transition: background 300ms;
}

.delete-button:hover {
  background: #555;
}

#create-new-url-button {
  cursor: pointer;
  transition: color 300ms;
}

#create-new-url-button:hover {
  color: #555;
}

#create-new-url-form {
  position: relative;
  left: 0; right: 0;
  width: 500px;
  margin: 30px auto 0;
  padding: 20px;
  background: #f5f5f5;
  font-size: 15px;
  border: 1px solid #c9c9c9;
}

#create-new-url-form h2 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 400;
}

#new-url-name, #new-dynamic-url {
  display: block;
  width: 100%;
  padding: 8px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  font: 14px "Courier New", Courier, monospace;
  background: #e0e0e0;
  color: #777;
  outline: none;
}