.blog_main{
	display: flex;
	height: 100vh;
	width: 100vw;
	/* position: fixed; */
	
	/* 会让子元素独占一行 */
	/* display: block; */
	left: 0;
	top: 0;
	z-index: -1;
	/* text-align: center; */
	/* 实现子项上下排列 */
	flex-direction: column;
	/* 垂直方向居中 */
	justify-content: center;
	/* 水平方向居中 */
	align-items: center;
}

.blog_main_title{
	font-size: 40px;
}
.blog_main_message{
	margin-top: 10px;
	font-size:25px;
}
.blog_main_title, .blog_main_message {
  display: inline-block;
  font-size: 2.2em;
  /* 打字动效用的闪烁光标 */
  white-space: pre;
  min-height: 2em;
  line-height: 0.5em;
}

.blog_main_title, .blog_main_message {
  font-size: 2em;
  white-space: pre;
  visibility: hidden;
}
.typing-cursor {
  border-right: 2px solid #232;
  animation: blink-cursor .8s steps(1) infinite alternate;
}
@keyframes blink-cursor {
  0% { border-color: #232; }
  100% { border-color: transparent; }
}
.blog_main_title {
  font-family: "Dancing Script", cursive;
  font-size: 39.9px;
  color: #fff;
}
.blog_main_message{
	font-family: 'Zhi Mang Xing', cursive, sans-serif;
}