* {
 box-sizing: border-box;
 margin: 0;
 padding: 0;
}

body {
  background: white;
  font-family: "Courier New",Courier,monospace;
  color: black;
}

h1 {
  font-size: 2em;
  font-weight: normal;
  padding: 5px;
}

.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

/* Modal Content/Box */
.modal-content {
    background-color: white;
    margin: 15% auto; /* 15% from the top and centered */
    padding: 20px;
    border: 2px solid black;
    width: 80%; /* Could be more or less, depending on screen size */
}

/* The Close Button */
.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

#links {
    padding: 5px;
    float: right;
}

#oscilloscope {
    cursor: pointer;
}

#oscilloscope .loading {
    cursor: progress;
}

.modal p {
    padding-bottom: 2em;
    clear: right;
}

#container {
    position: relative;
}

#spinner {
    position: absolute;
    cursor: pointer;
    display: none;
    width: 100%;
    height: 100%;
    background: white;
}

#spinner img {
    position: relative;
    display: block;
    top: 50%;
    transform: translateY(-50%);
    margin: 0 auto;
}