.flex_img{
  display: -webkit-flex;
  display: -ms-flex;
  display: flex;
  padding: 20px 0 20px 0;
  width: 100%;
}
.flex_img li{
  width: 100%;
  display: block;
  border-radius: 20px;
  margin-left: 10px;
}
.flex_img li a.kyu-nav{
  display: inline-block;
  background-size: 100%;
  background-image: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(20%, #f1a67d), color-stop(80%, #e65d13));
  background-image: -moz-linear-gradient(top, #f1a67d 20%, #e65d13 80%);
  background-image: -webkit-linear-gradient(top, #f1a67d 20%, #e65d13 80%);
  background-image: linear-gradient(to bottom, #f1a67d 20%, #e65d13 80%);
  text-decoration: none;
  border-radius: 35px;
  width: 98%;
  padding: 9px 0 8px 0;
  text-align: center;
  -webkit-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
  font-weight: bold;
  color: #fff;
  border: 2px solid #e65d13;
}
.flex_img li:nth-child(1){
  margin-left: 0;
}

.flex_img li a.kyu-nav:hover{
  opacity: 0.8;
}
@media screen and (max-width: 1120px){
.flex_img li a.kyu-nav{
 font-size: 0.85em;
}
}