#list li:nth-child(1) .art-body {
  padding-top: 3%;
}

#list li:nth-child(3) .art-content {
  margin: 60% auto 0 auto;
  max-width: 73%;
}

#list li:nth-child(2) .art-content {
  max-width: 55%;
}
#list li:nth-child(1) .art-content .part > .content_:nth-child(1) {
  max-width: 70%;
}

#list li:nth-child(1) .art-content .part > .content_:nth-child(2),
#list li:nth-child(1) .art-content .part > .content_:nth-child(3),
#list li:nth-child(1) .art-content .part > .content_:nth-child(4),
#list li:nth-child(1) .art-content .part > .content_:nth-child(5) {
  margin: 0 auto 30px auto;
  max-width: 60%;
}

.art-body .art-content .content_.ispurepgh_ > span.issinger_ {
  margin-right: 15%;
}