vault/static/style.css

@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,700);

html,
body {
    background-repeat: no-repeat;
    background-attachment: fixed;
}

p {
    font-family: 'Open Sans', sans-serif;
    font-size: 28px; 
}

span,
.varval {
    font-family: 'Open Sans', sans-serif;
    font-size: 28px; 
    font-weight: 400;
}

.button {
    background-color: #4CAF50; /* Green */
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
}

.button2 {background-color: #008CBA;} /* Blue */
.button3 {background-color: #f44336;} /* Red */ 
.showhide {
    background-color: #e7e7e7;
    color: black;
    position: absolute;
    left: 0;
    bottom: 0;
}

#tool-btn {
    padding: 20px;
    position: absolute;
    left: 200px;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 100;
}

.save,
.add,
.remove,
.highlight {
    background-color: #e7e7e7;
    color: black;
}

.info {
    color:ghostwhite;
}

.button5 {background-color: #555555;} /* Black */

.varbox {
    position: absolute;
    width: 50px;
    border: dashed 5px #ccc;
}

.databox {
    border: dashed 5px rgba(0,0,0,0);
}
.databox:hover {
    z-index: 9999 !important;
}

.statusbox {
    position: absolute;
    width: 50px;
    padding: 5px;
}

#page_info {
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    color: darkgray;
}

.box_highlight {
    border-color: red;
}

.glowing_border {
    border: 2px solid #FF0000;
    border-radius: 7px;
}

[tooltip]:before {
    /* needed - do not touch */
    content: attr(tooltip);
    position: absolute;
    opacity: 0;
    
    /* customizable */
    transition: all 0.15s ease;
    padding: 10px;
    color: #fff;
    border-radius: 10px;
    box-shadow: 2px 2px 1px silver;
    font-family: 'Open Sans', sans-serif;
    text-align:center;
}

[tooltip]:hover:before {
    /* needed - do not touch */
    opacity: 1;
    
    /* customizable */
    background: black;
    width: 150px;
    margin-top: -25px;
    margin-left: 20px;
}

[tooltip]:not([tooltip-persistent]):before {
    pointer-events: none;
}