base.css

body {
  background-color: #EEE;
  margin: 0;
  font-family: Roboto, 'Segoe UI', serif;
}

h1 {
  font-size: 2.8em;
  margin: 4px 16px;
  display: inline-block;
  min-width: 300px;
}

h2 {
  font-size: 1.2em;
}

p {
  margin: 10px;
}


/* header */

.header {
  height: 4em;
  margin: 15px;
}

.header > .align-center {
  max-width: 410px;
  display: flex;
}

.beta {
  transform: rotate(20deg);
  position: absolute;
  margin-left: -30px;
  margin-top: -4px;
  padding: 2px 5px;
  background-color: #246935;
  color: white;
  border-radius: 5px;
}


/* content */

.content {
  background-color: #FFF;
  margin: 0 10%;
  padding: 10px;
}

/* misc */

.align-center {
  margin: 0 auto;
}

.error {
  color:#900000;
  fill: #900000;
}

.noselect {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.nodrag {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -ms-user-drag: none;
  user-drag: none;
}

/* bar */

bar {
  display: flex;
  height: 10px;
}

bar > div {
  display: inline-block;
  width: 10px;
  height: 8px;
  margin-left: 2px;
}

/* help */

help svg:hover ~ div.content {
  display: inherit;
}

help .content {
  display: none;
  position: absolute;
  margin: 0;
  padding: 0;
  color: #555;
}

/* icons */

.icon.load {
  padding: 10px;
  animation: spin 0.8s linear infinite;
  fill:#AAA;
}
@keyframes spin { 100% { transform: rotate(360deg); } }

/* input */

input[type="text"],
input[type="number"],
select {
  font-size: 0.8em;
  padding: 2px 5px;
  border: 1px solid #CCC;
  border-radius: 5px;
}

input[type="checkbox"] {
  cursor: pointer;
}

label {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -o-user-select: none;
  user-select: none;

  cursor: pointer;
  font-size: 1.2em;
  display: block;
}

input[type="textbox"]:checked {
  background-color: cadetblue !important;
}

/* button */

button {
  font: 13.3333px Arial;
  display: inline-flex;
  background-color: #FFF;
  border: 1px solid #CCC;
  border-radius: 5px;
  padding: 7px;
  cursor: pointer;
  fill: #666;
}

button:hover:not(:disabled) {
  background-color: cadetblue;
  color: #FFF;
  fill: #FFF;
}

button:disabled {
  background-color: #BBB;
}

/* @media */

@media (max-width: 1200px) {
  .content {
      margin: 0;
  }
}

/* gold */

.gold {
  color: #866B00;
}

/* error-item */

.error-item {
  display: flex;
  width: 440px;
  justify-content: space-between;
  background-color: #FFF;
  padding: 10px;
  font-size: 1.5em;
}

.error-item .error-text {
  line-height: 54px;
}

.error-item button {
  padding: 5px;
  margin-left: 20px;
  font-size: 0.8em;
}

.error-item button .icon {
  padding: 5px 5px 5px 0;
}

.error-item .error .icon {
  padding-top: 10px;
}