.input-prepend.input-append input {
  font-size: 24px;
  padding-top: 11px;
  padding-bottom: 11px;
  width: 100px;
  text-align: right;
}

.main_image {
	text-align: center;
}
.other_image {
	display: flex;
	max-width: 550px;
	margin: 1em auto 0;
	flex-flow: wrap;
}
.other_image li {
	flex-basis: 18%;
	width: 18%;
  padding:0;
  margin:0 2.5% 0 0 ;
	margin-bottom: 1em;
}
.other_image li:nth-child(5n+5) {
	margin-right: 0;
}
.other_image img {
	max-width: 100%;
	height: auto;
	cursor: pointer;
}
.other_image img:hover { opacity:0.8;}