.xie
  {
	  color: #fff;
	  cursor: pointer;
	  font-size: 12px;
	  margin: 20px 0 20px 20px;
	  //padding: 5px 7px;
	  font-weight: bold;
	  text-align: center;
	  text-decoration: none;
	  text-shadow: 0 1px 0 rgba(0, 0, 0, .5);
	  white-space: normal;
	  word-wrap: normal;
	  box-sizing: border-box;
	  display: inline-table;
	  background-image: -webkit-linear-gradient(top, #b1b1b1, #5a5a5a);
	  border: 1px solid #888888;
	  border-radius: 2px;
	  box-shadow: 0 1px 0 rgba(255, 255, 255, .06), 1px 1px 0 rgba(255, 255, 255, .03), -1px -1px 0 rgba(0, 0, 0, .02), inset 1px 1px 0 rgba(255, 255, 255, .05);
	  vertical-align: center;
  }
.xie>span
  {
	  display: inline-block;
	  vertical-align: middle;
	  line-height: normal;
	  padding-left: 5px;
  }
.xie>span>img{
	  padding-left: 5px;
  }
.contenido
  {
	  width: 100%;
	  height: auto;
	  color: #000;
	  font-size: 12px;
	  text-align: center;
	  padding: 10px 10px 10px 10px;
	  text-decoration: none;
	  white-space: normal;
	  word-wrap: normal;
	  box-sizing: border-box;
	  display: inline-table;
	  background-image: -webkit-linear-gradient(top, #F0F0F0, #F0F0F0);
	  border: 1px solid #888888;
	  border-radius: 4px;
	  box-shadow: 0 1px 0 rgba(255, 255, 255, .06), 1px 1px 0 rgba(255, 255, 255, .03), -1px -1px 0 rgba(0, 0, 0, .02), inset 1px 1px 0 rgba(255, 255, 255, .05);
	  vertical-align: center;
  }
.solucion_a
  {
	  color: #000;
	  font-size: 12px;
	  text-align: center;
	  padding: 10px 10px 10px 10px;
	  text-decoration: none;
	  white-space: normal;
	  word-wrap: normal;
	  box-sizing: border-box;
	  display: inline-table;
	  background-image: -webkit-linear-gradient(top, #F0F0F0, #F0F0F0);
	  border: 1px solid #888888;
	  border-radius: 4px;
	  box-shadow: 0 1px 0 rgba(255, 255, 255, .06), 1px 1px 0 rgba(255, 255, 255, .03), -1px -1px 0 rgba(0, 0, 0, .02), inset 1px 1px 0 rgba(255, 255, 255, .05);
	  vertical-align: center;
  }
.solucion_b
  {
	  color: #000;
	  font-size: 12px;
	  text-align: center;
	  padding: 10px 10px 10px 10px;
	  text-decoration: none;
	  white-space: normal;
	  word-wrap: normal;
	  box-sizing: border-box;
	  display: inline-table;
	  background-image: -webkit-linear-gradient(top, #F0F0F0, #F0F0F0);
	  border: 1px solid #888888;
	  border-radius: 4px;
	  box-shadow: 0 1px 0 rgba(255, 255, 255, .06), 1px 1px 0 rgba(255, 255, 255, .03), -1px -1px 0 rgba(0, 0, 0, .02), inset 1px 1px 0 rgba(255, 255, 255, .05);
	  vertical-align: center;
  }
.solucion_c
  {
	  color: #000;
	  font-size: 12px;
	  text-align: center;
	  padding: 10px 10px 10px 10px;
	  text-decoration: none;
	  white-space: normal;
	  word-wrap: normal;
	  box-sizing: border-box;
	  display: inline-table;
	  background-image: -webkit-linear-gradient(top, #F0F0F0, #F0F0F0);
	  border: 1px solid #888888;
	  border-radius: 4px;
	  box-shadow: 0 1px 0 rgba(255, 255, 255, .06), 1px 1px 0 rgba(255, 255, 255, .03), -1px -1px 0 rgba(0, 0, 0, .02), inset 1px 1px 0 rgba(255, 255, 255, .05);
	  vertical-align: center;
  }
.solucion2_a
  {
	  color: #000;
	  font-size: 12px;
	  text-align: center;
	  padding: 10px 10px 10px 10px;
	  text-decoration: none;
	  white-space: normal;
	  word-wrap: normal;
	  box-sizing: border-box;
	  display: inline-table;
	  background-image: -webkit-linear-gradient(top, #F0F0F0, #F0F0F0);
	  border: 1px solid #888888;
	  border-radius: 4px;
	  box-shadow: 0 1px 0 rgba(255, 255, 255, .06), 1px 1px 0 rgba(255, 255, 255, .03), -1px -1px 0 rgba(0, 0, 0, .02), inset 1px 1px 0 rgba(255, 255, 255, .05);
	  vertical-align: center;
  }
.solucion2_b
  {
	  color: #000;
	  font-size: 12px;
	  text-align: center;
	  padding: 10px 10px 10px 10px;
	  text-decoration: none;
	  white-space: normal;
	  word-wrap: normal;
	  box-sizing: border-box;
	  display: inline-table;
	  background-image: -webkit-linear-gradient(top, #F0F0F0, #F0F0F0);
	  border: 1px solid #888888;
	  border-radius: 4px;
	  box-shadow: 0 1px 0 rgba(255, 255, 255, .06), 1px 1px 0 rgba(255, 255, 255, .03), -1px -1px 0 rgba(0, 0, 0, .02), inset 1px 1px 0 rgba(255, 255, 255, .05);
	  vertical-align: center;
  }
.solucion2_c
  {
	  color: #000;
	  font-size: 12px;
	  text-align: center;
	  padding: 10px 10px 10px 10px;
	  text-decoration: none;
	  white-space: normal;
	  word-wrap: normal;
	  box-sizing: border-box;
	  display: inline-table;
	  background-image: -webkit-linear-gradient(top, #F0F0F0, #F0F0F0);
	  border: 1px solid #888888;
	  border-radius: 4px;
	  box-shadow: 0 1px 0 rgba(255, 255, 255, .06), 1px 1px 0 rgba(255, 255, 255, .03), -1px -1px 0 rgba(0, 0, 0, .02), inset 1px 1px 0 rgba(255, 255, 255, .05);
	  vertical-align: center;
  }