html {
  box-sizing: border-box;
}

*, *::after, *::before {
  box-sizing: inherit;
}

.btn-wrap {
  font-size: 28px;
  text-align: center;
  font-family: 'Alegreya Sans', sans-serif;
}
.btn-wrap .btn {
  font-size: 1rem;
}

hr {
  margin: 4rem 0;
  border: 0;
  height: 2px;
  background-color: gainsboro;
}

.btn {
  cursor: pointer;
  border: 0;
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  outline: none;
  box-shadow: none;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  font-size: 1.25rem;
  display: -webkit-inline-box;
  display: -webkit-inline-flex;
  display: -ms-inline-flexbox;
  display: inline-flex;
}

.btn {
  margin: 0.5rem;
  padding: 0.75rem 1.5rem;
  color: white;
  -webkit-transition: all 0.2s ease-in-out;
  transition: all 0.2s ease-in-out;
}

.btn-group {
  display: -webkit-inline-box;
  display: -webkit-inline-flex;
  display: -ms-inline-flexbox;
  display: inline-flex;
  margin: 0.5rem;
}
.btn-group .btn {
  margin: 0;
  border-radius: 0;
}
.btn-group .btn:first-of-type:not(:last-of-type) {
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
}
.btn-group .btn:last-of-type:not(:first-of-type) {
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}

.btn {
  border-radius: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.btn-rounded {
  border-radius: 60px;
}

.btn-sharp {
  border-radius: 0;
}

.btn-md {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.18);
}
.btn-md:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.26);
}

.btn-ghost {
  color: #444;
  background-color: transparent;
}
.btn-ghost:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

.btn-outline {
  color: #2196F3;
  border: 2px solid #2196F3;
}
.btn-default.btn-outline {
  color: #2196F3;
  border-color: #2196F3;
  background-color: transparent;
}
.btn-default.btn-outline:hover {
  color: white;
  background-color: #2196F3;
}
.btn-success.btn-outline {
  color: #4CAF50;
  border-color: #4CAF50;
  background-color: transparent;
}
.btn-success.btn-outline:hover {
  color: white;
  background-color: #4CAF50;
}
.btn-info.btn-outline {
  color: #00BCD4;
  border-color: #00BCD4;
  background-color: transparent;
}
.btn-info.btn-outline:hover {
  color: white;
  background-color: #00BCD4;
}
.btn-error.btn-outline {
  color: #F44336;
  border-color: #F44336;
  background-color: transparent;
}
.btn-error.btn-outline:hover {
  color: white;
  background-color: #F44336;
}

.btn-default {
  background-color: #2196F3;
}
.btn-default:hover {
  background-color: #1b7bc7;
}
.btn-success {
  background-color: #4CAF50;
}
.btn-success:hover {
  background-color: #3e9042;
}
.btn-info {
  background-color: #00BCD4;
}
.btn-info:hover {
  background-color: #009aae;
}
.btn-error {
  background-color: #F44336;
}
.btn-error:hover {
  background-color: #c8372c;
}