.allowtags {
  background: #6F615D;
  border-radius: 8px 0 0 8px;
  color: #fff;
  display: inline-block;
  height: 50px;
  line-height: 50px;
  padding: 0 2em 0 3em;
  position: relative;
}

.allowtags::before {
  border: 25px solid transparent;
  border-left-color: #6F615D;
  border-right-width: 0;
  content: '';
  display: block;
  height: 0;
  position: absolute;
  right: -25px;
  top: 0;
  width: 0;
}

.btn-square-little-rich {
  position: relative;
  display: inline-block;
  padding:10px 50px 3px 50px;
  text-decoration: none;
  color: #FFF;
  background: #ED8C46;/*色*/
  border: solid 1px #ED8C46;/*線色*/
  border-radius: 4px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
  text-shadow: 0 1px 0 rgba(0,0,0,0.2);
}

.btn-square-little-rich-blue {
  position: relative;
  display: inline-block;
  padding:10px 50px 3px 50px;
  text-decoration: none;
  color: #FFF;
  background: #4A74B9;/*色*/
  border: solid 1px #4A74B9;/*線色*/
  border-radius: 4px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
  text-shadow: 0 1px 0 rgba(0,0,0,0.2);
}