* {
  box-sizing: border-box;
}
.responsive {
  max-width: 100%;
  height: auto;
}
body {
  background-color: #4F4F4F;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
 color: #FFFFFF;
}
/* unvisited link */
a:link {
  color: white;
}
/* visited link */
a:visited {
  color: white;
}
/* mouse over link */
a:hover {
  color: #33CC00;
}
/* selected link */
a:active {
  color: blue;
}
/* image caption */
div.desc {
  padding: 0px 0px 10px;
  text-align: left;
  font-style: italic;
  font-size: 12px;
}
h1 {
color: #33CC00;
}
h4 {
font-size: 14px;
}
p.bold {
  font-weight: bold;
}
p.italic {
  font-style: italic;
}

.dropbtn {
  background-color: #4CAF50;
  color: white;
  padding: 16px;
  font-size: 16px;
  border: none;
  cursor: pointer;
  width: 80px;
  }

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  background-color: #f9f9f9;
  min-width: 140px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content a {
  color: black;
  padding: 8px 8px;
  text-decoration: none;
  display: block;
}

.dropdown-content a:hover {background-color: #98FB98;}

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

.dropdown:hover .dropbtn {
  background-color: #3e8e41;
}
/* end of dropdown boxes style */

.menu {
  float:left;
  width:25%;
  text-align:center;
}
.menu a {
  background-color:#4F4F4F;
  padding:6px;
  margin-top:7px;
  display:block;
  width:100%;
  }
.main {
  float:left;
  width:50%;
  padding:0 20px;
  background-color:#777777;
}
.right {
  background-color:#4F4F4F;
  float:left;
  width:25%;
  padding:15px;
  margin-top:7px
  text-align:center;
}

@media only screen and (max-width:700px) {
  /* For mobile phones: */
  .menu, .main, .right {
    width:100%;
  }
   
   
   #myBtn {
  display: none; /* Hidden by default */
  position: fixed; /* Fixed/sticky position */
  bottom: 20px; /* Place the button at the bottom of the page */
  right: 30px; /* Place the button 30px from the right */
  z-index: 99; /* Make sure it does not overlap */
  border: none; /* Remove borders */
  outline: none; /* Remove outline */
  background-color: #4CAF50; /* Set a background color */
  color: white; /* Text color */
  cursor: pointer; /* Add a mouse pointer on hover */
  padding: 15px; /* Some padding */
  border-radius: 10px; /* Rounded corners */
  font-size: 18px; /* Increase font size */
}

#myBtn:hover {
  background-color: #555; /* Add a dark-grey background on hover */
}

}