.tab-container {
  list-style-type: none;
  padding: 0;
  margin: 60px auto;
  max-width: 100%;
  position: relative;
  background: #fff;
  display: block;
  height: 500px;
}
.tab-container ul {
  list-style-type: none;
  padding: 0;
}
.tab-container .arrows {
  display: block;
  width: 60px;
  font-size: 32px;
  bottom: 10px;
  right: 0px;
  position: absolute;
}
.tab-container .arrows label {
  display: inline-block;
  cursor: pointer;
  color: #aaa;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  margin-left: 5px;
}
.tab-container .arrows label:hover {
  color: #333;
}
.tab-container .tab-content-container {
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
  height: 0;
  opacity: 0;
  overflow: hidden;
  line-height: 22px;
  background: #fff;
  position: absolute;
  top: 42px;
  padding: 0px 40px 0 20px;
  border: 2px solid #a90000;
  border-top: 0;
  box-shadow: 0 5px 5px -5px #333;
}
.tab-container .tab-content-container .tab-content {
  opacity: 0;
  padding: 15px 0;
  min-height: 185px;
  transition: opacity 0.1s ease-in;
}
.tab-container .tab {
  outline: 0;
  float: left;
  cursor: pointer;
  opacity: 1;
  width: 25%;
  line-height: 40px;
  display: block;
  margin: 0;
  position: relative;
  background: #a90000;
  color: #fff;
  text-align: center;
  border-top: 2px solid #a90000;
  border-right: 2px solid #a90000;
  box-sizing: border-box;
font-size: small;
}

@media screen and (min-width:901px) and (max-width:1051px){

.tab-container .tab {
  outline: 0;
  float: left;
  cursor: pointer;
  opacity: 1;
  width: 25%;
  line-height: 40px;
  display: block;
  margin: 0;
  position: relative;
  background: #a90000;
  color: #fff;
  text-align: center;
  border-top: 2px solid #a90000;
  border-right: 2px solid #a90000;
  box-sizing: border-box;
font-size: 60%;
}

}

.tab-container .tab.l-b {
  border-left: 2px solid #a90000;
}
.tab-container .tab:hover {
  background: #ff9999;
}
.tab-container .tab-toggle {
  display: none;
}
.tab-container .tab-toggle.active + .tab, .tab-container .tab-toggle:checked + .tab {
  background: #fff;
  color: #333;
}
.tab-container .tab-toggle.active ~ .tab-content-container, .tab-container .tab-toggle:checked ~ .tab-content-container {
  height: auto;
  opacity: 1;
}
.tab-container .tab-toggle.active ~ .tab-content-container .tab-content, .tab-container .tab-toggle:checked ~ .tab-content-container .tab-content {
  opacity: 1;
}
.tab-container .tab-toggle.active ~ .tab-content-container .tab-content label, .tab-container .tab-toggle:checked ~ .tab-content-container .tab-content label {
  opacity: 1;
}