* {
  box-sizing: border-box;
}
body {
  padding: 50px;
  font:
    14px 'Open Sans',
    Helvetica,
    Arial,
    sans-serif;
  font-weight: 300;
}

h1,
h2,
h3,
h4 {
  font-weight: 300;
}
h1 {
  margin-top: 0;
}
h2 {
  font-size: 1.75em;
}
h3 {
  font-size: 1.5em;
  margin: 2em 0 1em;
}

.error {
  color: red;
  font-weight: bold;
}

.section-header {
  margin: 3em 0 2em;
  border: 1px solid #ccc;
  border-width: 1px 0 0;
  padding-top: 2em;
}

a {
  color: #00b7ff;
}
button,
.btn {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid #353c3f;
  border-radius: 2px;
  font:
    14px 'Open Sans',
    Helvetica,
    Arial,
    sans-serif;
  text-decoration: none;
  color: #fff;
  background: #6c8ba0;
  cursor: pointer;
}
.btn--danger {
  background-color: #f91b1b;
}

.grid-container {
  display: grid;
  grid-template-columns: 50% 50%;
  grid-gap: 40px;
}
.grid-container--3 {
  grid-template-columns: 33.333% 33.333% 33.333%;
}
.grid-container--4 {
  grid-template-columns: 25% 25% 25% 25%;
  grid-gap: 20px;
}
.grid-item--align-end {
  align-self: end;
}

table {
  width: 100%;
}
table th,
table td {
  padding: 8px 10px;
  text-align: left;
}
.table-bordered {
  border-collapse: collapse;
}
.table-bordered td {
  border-width: 0;
  border-top: 1px solid #ccc;
}

form input,
form textarea {
  display: block;
  width: 100%;
  padding: 4px 10px;
  border: 1px solid #353c3f;
  border-radius: 2px;
  font:
    14px 'Open Sans',
    Helvetica,
    Arial,
    sans-serif;
}
form input.inline {
  display: inline-block;
  width: 50px;
  padding-bottom: 0;
  border-width: 0 0 1px;
  border-radius: 0;
  text-align: center;
}
form input[type='checkbox'] {
  display: inline-block;
  width: auto;
  vertical-align: middle;
}
form label {
  display: block;
  margin-bottom: 5px;
  font-size: 18px;
}
.form-group {
  margin-bottom: 20px;
}

.gsl-stats {
  margin-bottom: 40px;
}
.gsl-stats .form-controls {
  margin-top: 20px;
}

.sig-gen .grid-item {
  display: inline-block;
  width: calc(25% - 24px);
  margin-right: 20px;
}
.preview td {
  padding: 0;
}
.preview {
  display: inline-block;
  width: 520px;
  padding: 10px;
  margin-right: -4px;
  vertical-align: top;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.1);
}
.instructions {
  display: inline-block;
  width: calc(100% - 520px);
  padding-top: 40px;
  padding-left: 40px;
  margin-right: -4px;
  font-size: 1.25em;
}

.alert {
  padding: 10px;
  border: 1px solid #353c3f;
  border-radius: 10px;
  font-size: 1.25em;
}
.alert--success {
  border-color: #89c758;
  color: #89c758;
}
.alert--danger {
  border-color: #f91b1b;
  color: #f91b1b;
}

.card {
  display: inline-block;
  min-width: 400px;
  padding: 0 20px;
  border: 1px solid #353c3f;
  border-radius: 5px;
}