* {
    box-sizing: border-box;
  }
  
  
  body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
  }
  
  
  .header {
    padding: 80px;
    text-align: center;
    background: #1abc9c;
    color: white;
  }
  
  
  .header h1 {
    font-size: 40px;
  }
  
  
  .navbar {
    overflow: hidden;
    background-color: #484848;
  }
  
  
  .navbar a {
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
  }
  
  
  .navbar a.right {
    float: right;
  }
  

  
  
  .row {  
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap; 
    flex-wrap: wrap;
  }
  button {
    position: relative;
    margin: 5px 10px 7px 5px;
    float: left;
    border-radius: 3px;
    font-size: 13px;
    color: #FFF;
    text-decoration: none;
    background-color: #1abc9c;
    border: none;
    border-bottom: 5px solid #1abc9c;
    text-shadow: 0px -2px #1abc9c;
    -webkit-transition: all 0.1s;
    transition: all 0.1s;
   }
   
   button:hover, button:active {
    -webkit-transform: translate(0px,5px);
    -ms-transform: translate(0px,5px);
    transform: translate(0px,5px);
    border-bottom: 1px solid #031190;
   }
  
  .side {
    -ms-flex: 30%; 
    flex: 30%;
    background-color: #d0d0d0;
    padding: 20px;
  }
  
  
  .main {   
    -ms-flex: 70%; 
    flex: 70%;
    background-color: rgb(164, 164, 164);
    padding: 20px;
  }
  
  
  .helios {
    background-color: #1abc9c;
    width: 100%;
    padding: 20px;
  }
  
  
  .footer {
    padding: 20px;
    text-align:center;
    background: #ddd;
  }
  
  
  @media screen and (max-width: 700px) {
    .row {   
      flex-direction: column;
    }
  }
  
  @media screen and (max-width: 400px) {
    .navbar a {
      float: none;
      width: 100%;
    }
  }
  .img-fluid{
height:160px;
  }
.btn{
margin-left: 200px;
}


.slideshow-container {
  max-width: 1000px;
  position: relative;
  margin: auto;
}

.mySlides {
  display: none;
}

.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: white;
  font-weight: bold;
  font-size: 18px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}


.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}


.prev:hover, .next:hover {
  background-color: rgba(0,0,0,0.8);
}

.text {
  color: #f2f2f2;
  font-size: 15px;
  padding: 8px 12px;
  position: absolute;
  bottom: 8px;
  width: 100%;
  text-align: center;
}

.numbertext {
  color: #f2f2f2;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
  top: 0;
}

.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

.active, .dot:hover {
  background-color: #717171;
}

.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {opacity: .4}
  to {opacity: 1}
}
.dropdown {
  float: left;
  overflow: hidden;
}

.dropdown .dropbtn {
  font-size: 15px;  
  border: none;
  outline: none;
  color: white;
  padding: 19px 25px;
  background-color: inherit;
  font-family: inherit;
  margin: 0;
}
.dropdown:hover .dropbtn {
  background-color: #1abc9c;;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content a {
  float: none;
  color: black;
  padding: 10px 10px;
  text-decoration: none;
  display: block;
  text-align: left;
}

.dropdown-content a:hover {
  background-color: #ddd;
}

.dropdown:hover .dropdown-content {
  display: block;
}