body {  
  height: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  background-color: #3498db;
}
.login {
  display: flex;
  justify-content: center;
  width:100vw;
  height:100vh;
}
.login-box {
  margin-top: 100px;
  box-shadow: 0 2px 15px 0 rgba(16, 37, 133, 0.5);
  border-radius: 4px 4px 4px 4px;
  font-size: 0.9em;
  width:340px;
  height:360px;
  background-color: rgba(255, 255, 255, 0.7);
  display: -webkit-flex;
  display: flex;
  -webkit-flex-flow: column;
  flex-flow: column;
}
.login-header {
  margin-bottom: 1rem;
  padding-top: 0.5rem;
  font-size: 1.25rem;
  font-weight: bold;
  line-height: 1.1;
  color: #001b3d;
  /* border-bottom: 1px solid rgba(0, 0, 0, 0.1); */
  padding: 20px 10px 10px 10px;
  display: -webkit-flex;
  display: flex;
  justify-content: center;
}
.login-logo {
  width : 64px;
  height: 64px;
}
.login-content {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-flow: column;
  flex-flow: column;
  padding: 10px;
}
.login-input-group {
  -webkit-flex: 1 1 auto;
  flex: 1 1 auto;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-flow: row;
  flex-flow: row;
  margin-bottom: 15px;
}
.login-input, .login-addon {
  padding: 0.5rem 0.7rem;
  border: 1px solid #cecece;
  font-size: 0.9rem;
  line-height: 1.25;
  color: #464a4c;
  height:35px;
}
.login-addon {
  width : 35px;
  background-color: #eceeef;
  border-radius: 0.25rem;
  border-right: 0;
  border-bottom-right-radius: 0;
  border-top-right-radius: 0;
}
.login-input {
  border-top-right-radius: 0.25rem;
  border-bottom-right-radius: 0.25rem;
  background-color: #fff;
  -webkit-flex: 1 1 auto;
  flex: 1 1 auto;
}
.login-warning {
  height:35px;
  color: #cf000f;
  font-size: .8em;
}
.login-footer {
  margin-top: 1.5rem;
  padding: 10px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  display: -webkit-flex;
  display: flex;
}
.button-login {
  flex:1 1 auto;
}
@media all and (max-width: 640px) {
  body {
    background-position: top;
    background-repeat: repeat-y;
    background-size: auto;
  }
  .login-box {
    width:90vw;
  }
}