.container {
  margin: 0 auto;
  width: 100%;
}

input[type=text],
input[type=email],
input[type=tel],
input[type=password],
select {
  width: 100%;
  box-sizing: border-box;
}

.row {
  width: 100%;
  padding-left: 40vw;
  overflow: hidden;
  box-sizing: border-box;
}
.row > label {
  margin-left: -40vw;
  width: 40vw;
  float: left;
  text-align: right;
}

.errors {
  color: #ff0000;
  margin-bottom: 2rem;
}
.notice {
  color: #00aa33;
  margin-bottom: 2rem;
}

#loading {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: progress;
}
#loading span {
  display: inline-block;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 0.8rem solid #333;
  border-right-color: transparent;
  animation: spin 1s linear infinite;
}
#loading:not(.active) {
  display: none;
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
    opacity: 0.2;
  }
  50% {
    transform: rotate(180deg);
    opacity: 1.0;
  }
  100% {
    transform: rotate(360deg);
    opacity: 0.2;
  }
}