style.css

@import url('https://fonts.googleapis.com/css2?family=Montserrat&display=swap');
body{
	font-family: 'Montserrat', sans-serif;
}
.show{
	display:block;
}
.hide{
	display:none;
}
.not_active{
	text-decoration:none;
}
.txt-center{
    text-align: center;
}
.tabs-container{
    width: 70%;
    margin: 0 auto;
}
#tabs_link {
  overflow: hidden;
  border: 1px solid #ccc;
  border-radius: 10px;
  background-color: #f1f1f1;
}
#tabs_link a {
  background-color: rgb(46, 62, 206);
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 14px 16px;
  transition: 0.3s;
  font-size: 17px;
  color:#fff;
}
.tab_box {
  padding: 6px 12px;
  border: 1px solid #ccc;
  border-radius: 0 0 10px 10px;
  border-top: none;
}
.box_test1{
	background-color: rgb(207, 235, 143);
}
.box_test2{
	background-color: rgb(147, 211, 231);
}
.box_test3{
	background-color: rgb(212, 188, 109);
}