body{
  font-family: 'Ubuntu', sans-serif;
  font-size: .9rem;
  font-weight: 400;
  line-height: 1.5;
  overflow: hidden;
  overflow-y: auto;
}
input, select, textarea, button{
  font-family:inherit;
  font-size:16px;
}
* { box-sizing: border-box; }
.common-container {
  padding: 0.5em;
}
.appear {
  display: block;
  -webkit-animation: appear .5s ease both;
  -moz-animation: appear .5s ease both;
  animation: appear .5s ease both;
}
.disappear {
  display: none;
}
.loader {
  border: 2px solid #f3f3f3;
  border-top: 2px solid #3498db;
  border-radius: 50%;
  height: 20px;
  width: 20px;
  animation: spin 0.8s linear infinite;
}
.button {
  color: white;
  border-radius: 4px;
  border: none;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
  padding: 0.6rem 1.2rem;
  background: #39A2D9;
  transition:background .2s ease-out;
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 100px;
}
.button:hover {
  background: #001b3d;
  transition:background .2s ease-out;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@-webkit-keyframes appear {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0px); }
}
@-moz-keyframes appear {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0px); }
}
@keyframes appear {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0px); }
}