.post {
  padding-bottom: 100px;
}
.post p {
margin-bottom: 3em;
}
.center {
  text-align: center;
}
.right {
  text-align: right;
}
.left {
  text-align: left;
  display: inline-block;
}
.post_date {
  text-align: right;
  margin-bottom: 3em;
  display: block;
}
.post_img {
  max-width: 600px;
}
.post_img_caption {
  margin-top: 10px;
}
.text_flex {
display: flex;
}
.note {
  margin-top: 10px;
}
@media screen and (max-width: 767px) { 
  .post {
  padding-bottom: 0;
}
}