styles.css

/**
 * Buttons
 */
.button,
a.button,
button,
[type="submit"],
[type="reset"],
[type="button"] {
  -webkit-appearance: none;
  display: inline-block;
  border: 1px solid;
  border-radius: 4px;
  color: #ffffff;
  font-weight: 600;
  font-family: -apple-system, BlinkMacSystemFont, Helvetica Neue, Helvetica,
    Arial, sans-serif;
  font-size: 1rem;
  text-transform: none;
  padding: 0.75rem 1.25rem;
  margin: 0 0 0.5rem 0;
  vertical-align: middle;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  line-height: 1;
}

.button:hover,
a.button:hover,
button:hover,
[type="submit"]:hover,
[type="reset"]:hover,
[type="button"]:hover {
  border: 1px solid;
  color: #ffffff;
  text-decoration: none;
}

.button:focus,
.button:active,
a.button:focus,
a.button:active,
button:focus,
button:active,
[type="submit"]:focus,
[type="submit"]:active,
[type="reset"]:focus,
[type="reset"]:active,
[type="button"]:focus,
[type="button"]:active {
  border: 1px solid;
  color: #ffffff;
  text-decoration: none;
}

.button::-moz-focus-inner,
a.button::-moz-focus-inner,
button::-moz-focus-inner,
[type="submit"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="button"]::-moz-focus-inner {
  border: 0;
  padding: 0;
}

.accent-button,
a.accent-button {
  color: #ffffff;
  border: 1px solid;
}
.accent-button:hover,
.accent-button:focus,
.accent-button:active,
a.accent-button:hover,
a.accent-button:focus,
a.accent-button:active {
  color: #ffffff;
  border: 1px solid;
}

.muted-button,
a.muted-button {
  background: transparent;
  border: 1px solid;
  color: ;
}
.muted-button:hover,
.muted-button:focus,
.muted-button:active,
a.muted-button:hover,
a.muted-button:focus,
a.muted-button:active {
  border: 1px solid;
  background: transparent;
}

.round-button,
a.round-button {
  border-radius: 40px;
}

.square-button,
a.square-button {
  border-radius: 0;
}

.full-button,
a.full-button {
  display: block;
  width: 100%;
}

/**
 * Forms
 */
[type="color"],
[type="date"],
[type="datetime"],
[type="datetime-local"],
[type="email"],
[type="month"],
[type="number"],
[type="password"],
[type="search"],
[type="tel"],
[type="text"],
[type="url"],
[type="week"],
[type="time"],
select,
textarea {
  display: block;
  border: 1px solid #dedede;
  border-radius: 4px;
  padding: 0.75rem;
  outline: none;
  background: transparent;
  margin-bottom: 0.5rem;
  font-size: 1rem;
  width: 100%;
  max-width: 100%;
  line-height: 1;
}

[type="color"]:hover,
[type="date"]:hover,
[type="datetime"]:hover,
[type="datetime-local"]:hover,
[type="email"]:hover,
[type="month"]:hover,
[type="number"]:hover,
[type="password"]:hover,
[type="search"]:hover,
[type="tel"]:hover,
[type="text"]:hover,
[type="url"]:hover,
[type="week"]:hover,
[type="time"]:hover,
select:hover,
textarea:hover {
  border: 1px solid #c5c5c5;
}

[type="color"]:focus,
[type="color"]:active,
[type="date"]:focus,
[type="date"]:active,
[type="datetime"]:focus,
[type="datetime"]:active,
[type="datetime-local"]:focus,
[type="datetime-local"]:active,
[type="email"]:focus,
[type="email"]:active,
[type="month"]:focus,
[type="month"]:active,
[type="number"]:focus,
[type="number"]:active,
[type="password"]:focus,
[type="password"]:active,
[type="search"]:focus,
[type="search"]:active,
[type="tel"]:focus,
[type="tel"]:active,
[type="text"]:focus,
[type="text"]:active,
[type="url"]:focus,
[type="url"]:active,
[type="week"]:focus,
[type="week"]:active,
[type="time"]:focus,
[type="time"]:active,
select:focus,
select:active,
textarea:focus,
textarea:active {
  border: 1px solid #0366ee;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.1), 0 0 6px #8cbcfe;
}

textarea {
  overflow: auto;
  height: auto;
}

fieldset {
  border: 1px solid #dedede;
  border-radius: 4px;
  padding: 1rem;
  margin: 1.5rem 0;
}

legend {
  padding: 0 0.5rem;
  font-weight: 600;
}

select {
  color: #404040;
  -webkit-appearance: none;
  -moz-appearance: none;
  /* background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABIAAAAJCAYAAAA/33wPAAAAvklEQVQoFY2QMQqEMBBFv7ERa/EMXkGw11K8QbDXzuN4BHv7QO6ifUgj7v4UAdlVM8Uwf+b9YZJISnlqrfEUZVlinucnBGKaJgghbiHOyLyFKIoCbdvecpyReYvo/Ma2bajrGtbaC58kCdZ1RZ7nl/4/4d5EsO/7nzl7IUtodBexMMagaRrs+06JLMvcNWmaOv2W/C/TMAyD58dxROgSmvxFFMdxoOs6lliWBXEcuzokXRbRoJRyvqqqQvye+QDMDz1D6yuj9wAAAABJRU5ErkJggg==)
    right center no-repeat; */
  line-height: 1;
}

select::-ms-expand {
  display: none;
}

[type="range"] {
  width: 100%;
}

label {
  font-weight: 600;
  max-width: 100%;
  display: block;
  margin: 1rem 0 0.5rem;
}

@media (min-width: 600px) {
  .split-form label {
    text-align: right;
    padding: 0 0.5rem;
    margin-bottom: 1rem;
  }
}

input.has-error,
input.has-error:hover,
input.has-error:focus,
input.has-error:active,
select.has-error,
select.has-error:hover,
select.has-error:focus,
select.has-error:active,
textarea.has-error,
textarea.has-error:hover,
textarea.has-error:focus,
textarea.has-error:active {
  border: 1px solid #d33c40;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.1), 0 0 6px #f4cecf;
}

::-webkit-input-placeholder,
::-moz-placeholder,
:-moz-placeholder,
:-ms-input-placeholder {
  color: #9a9a9a;
}