html,body {
  height: 100%;
  background-color:#f2f2f2; 
}

.dropbtn {
    background-color: #4CAF50;
    color: white;
    padding: 15px;
    font-size: 16px;
    border: none;
    cursor: pointer;
}

.dropbtn:hover, .dropbtn:focus {
    background-color: #3e8e41;
}

.dropdown {
    position: relative;
    display: inline-block;
    margin-left: 12px;
    border:none;
    border-radius: 15px;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 150px;
    overflow: auto;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown a:hover {background-color: #f1f1f1}

.show {display:block;}


.button {
  display: inline-block;
  padding: 6px 10px;
  font-size: 15px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  outline: none;
  color: #fff;
  background-color: #00b8e6;
  border: none;
  border-radius: 15px;
  box-shadow: 0 3px #999;
}

.button:hover {background-color: #007a99}

.button:active {
  background-color:  #00b8e6;
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}

#btns {

    margin-top: 20px;
    margin-left: 28%;
 
}

#startbtn {

  margin-left: 19%;
}
/*#stopbtn  {
  padding: 6px 10px;
  font-size: 15px;
  text-align: center;
  cursor: pointer;
  outline: none;
  color: #fff;
  background-color: #00b8e6;
  border: none;
  box-shadow: 0 3px #999;
  border-radius: 20%;
  margin-left: 40%;
  position: right;
}*/

#submitForm{

 
}

/*#submitFormEnd{

  background-color: #4CAF50;
  padding:10px;
  margin-left: 45%;
  margin-top:10px;
  font-size:12px;
  font-weight: 2px;
  color:white;
  border: solid;
  border-color: green;
  border-width: 1px;
  position: relative;
}*/

/*#other{
  padding: 6px 10px;
  font-size: 15px;
  text-align: center;
  cursor: pointer;
  outline: none;
  color: #fff;
  background-color: #00b8e6;
  border: none;
  box-shadow: 0 3px #999;
  border-radius: 20%;

}*/

/*#submit{

  padding: 6px 10px;
  font-size: 15px;
  text-align: center;
  cursor: pointer;
  outline: none;
  color: #fff;
  background-color: #00b8e6;
  border: none;
  box-shadow: 0 3px #999;
  border-radius: 20%;

  
}*/

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 10px;
    background: #d3d3d3;
    outline: none;
    opacity: 0.7;
    -webkit-transition: .2s;
    transition: opacity .2s;
}

.slider:hover {
    opacity: 1;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 15px;
    height: 25px;
    background: #1aa3ff;
    cursor: pointer;
}

.slider::-moz-range-thumb {
    width: 15px;
    height: 25px;
    background: #1aa3ff;
    cursor: pointer;
}