.foot{
  position: fixed;
  width: 100%;
  align-items: center;
  background: white;
  bottom: 0;
  z-index: 9;
}
.operation{
  color: white;
  width: 50%;
}
.save{
  background-color: #4797f8;
}
.commit{
  background-color: orangered;
}

.container{
  padding-bottom: 40px;
}
.question{
  background: white;
  margin: 20rpx -6rpx;
  padding: 4rpx 20rpx 22rpx 22rpx;
  border-radius: 18rpx;
}

.question-title{
  display: inline-block;
  margin: 5rpx 0rpx 12rpx 0rpx;
}

.choices{
  display: flex;
  flex-direction: column;
}
.choice{
  margin-bottom: 12rpx;
}
.choice-text{
  display: inline-block;
  width: 600rpx;
}

.main-input{
  height: 120rpx;
  margin: 18rpx 0 4rpx 18rpx;
  border: 1rpx solid lightgray;
  border-radius: 12rpx;
  padding: 12rpx 10rpx; 
}

view.null-input{
  align-items: center;
}

input.null-input{
  border: 1rpx solid lightgray;
  padding: 12rpx 6rpx; 
  margin: 6rpx 10rpx;
  border-radius: 10rpx;
}

.standard-choice{
  margin-left: 24rpx; 
}

standard-null-input{
  align-items: center;
}