body{
  background: #F4F5F7;
}
#header{
  position: fixed;
   width: 100%;
   top: 0;
   z-index: 10000;
}
#navi {
  background-color: black;
  border: 1px solid #dedede;
  border-radius: 4px;
  box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.055);
  color: white;
  display: block;
  margin: 1em 1%;
  overflow: hidden;
  width: 100%;
}

#navi ul {
  margin: 0;
  padding: 0;
}

#navi ul li {
  display: inline-block;
  list-style-type: none;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
  float: left;

}

#navi>ul>li>a>.navi_sub_menu {

  border-top: 4px solid white;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
  content: '';
  display: inline-block;
  height: 0;
  width: 0;
  vertical-align: middle;
  -webkit-transition: color 0.1s linear;
  transition: color 0.1s linear;
}

#navi>ul>li>a {
  color: white;
  display: block;
  line-height: 56px;
  padding: 0 10px;
  text-decoration: none;
}

#navi>ul>li:hover {
  background-color: rgb(218, 60, 65);
}

#navi>ul>li:hover>a>.navi_sub_menu {
  border-top-color: rgb(255, 255, 255);
}

#navi>ul>li>div {
  background-color: rgb(218, 60, 65);
  border-top: 0;
  border-radius: 0 0 4px 4px;
  box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.055);
  display: none;
  margin: 0;
  opacity: 0;
  position: absolute;
  width: 165px;
  visibility: hidden;
  -webkit-transiton: opacity 0.2s;
  transition: opacity 0.2s;

}

#navi>ul>li:hover>div {
  display: block;
  opacity: 1;
  visibility: visible;
}

#navi>ul>li>div ul>li {
  display: block;
  float: none;

}

#navi>ul>li>div ul>li>a {
  color: #ffffff;
  display: block;
  padding: 12px 24px;
  text-decoration: none;
}

#navi>ul>li>div ul>li:hover>a {
  background-color: rgba(255, 255, 255, 0.1);
}

#navi>ul>li>a.active{
  background-color: rgb(218, 60, 65);
  color: rgb(255, 255, 255);
}

#navi_padding {
  margin-top: 50px;
}