.multipletab {
  width: 50%;
  margin: 0 auto;
  background: blue;
  overflow: hidden;
  position: relative;
}
.tab-buttons {
  display: inline-block;
  width: 100%;
  border-bottom: 2px solid #666;
}
.tab-buttons > span {
  display: block;
  text-align: center;
  float: left;
  cursor: pointer;
  width: 20%;
  background: green;
}
.tab-buttons > span.active {
  background: pink;
  position: relative;
}
.tab-content {
  position: relative;
}
.tab-content > div {

  background-color: yellow;
}

.tab-nav > span {
  position: absolute;
  top: 50%;
  cursor: pointer;
  display: block;
  height: 35px;
  width: 35px;
}
.tab-nav > span.next {
  right: 10px;
  background-color: red;
}
.tab-nav > span.prev {
  left: 10px;
  background-color: red;
}

.colorebianco {
  fill: #ffffff !important;
}