* {
  font-family: 'Arial', 'Gill Sans', 'Gill Sans MT',
  ' Calibri', 'Trebuchet MS', 'sans-serif';
  box-sizing: border-box;
}

.banner {
  height: auto;
  text-align: center;
}

.banner h1 {
  float: top;
}

.banner audio {
  width: 120px;
  margin-left: auto;
  margin-right: auto;
}

/* Add a black background color to the top navigation */
.topnav {
  overflow: hidden;
  background-color: rgb(119, 196, 135);
  width:100%;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* Style the links inside the navigation bar */
.topnav button {
  float: left;
  display: block;
  text-align: center;
  padding: 14px 16px;
}

/* Change the color of links on hover */
.topnav button:hover {
  background-color: #ddd;
  color: black;
}

/* Add an active class to highlight the current page */
.topnav button.active {
  background-color: #04AA6D;
  color: white;
}

/* Hide the link that should open and close the topnav on small screens */
.topnav .icon {
  display: none;
}

.topnav form {
  float:left;
}

iframe {
  border: none;
  height: 85%;
  width: 100%;
}

body {
  background-color: rgb(119, 196, 135);
}

table {
  background-color: transparent;
  margin: 0 auto;
  font-size: large;
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
/*  border: 1px solid black;*/
}

td {
  background-color: rgb(219, 255, 235);
  font-weight: lighter;
  border: 2px solid black;
  text-align: center;
}

th {
  font-weight: bold;
  height: auto;
  text-align: center;
}

audio {
  width: 100%;
}

button {
  font-size: large;
  background-color: transparent;
  border: none;
  color: black;
  cursor: pointer;
}

.spectrogrambutton, .logbutton, .navbuttons {
  float: left;
}

body::-webkit-scrollbar {
  display:none
}

@media screen and (max-width: 1000px) {
  .topnav button {display: none;}
  .topnav form {float: none;}
  /*.topnav button:not(:first-child) {display: none;}*/
  .topnav button.icon {
    display: block;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
}

@media screen and (max-width: 1000px) {
  .topnav.responsive {position: relative;}
  .topnav.responsive button {
    float: left;
    display: block;
    text-align: center;
  }
}