.GUI {

width: 150px;
padding: 15px;
position: fixed;
bottom: 0;
text-align: center;
font-family: sans-serif;
font-weight: bold;
color: white;
border: 2px;
border-style: solid;
background-color: transparent;

/*background-blend-mode: overlay;*/

}


.density {
    -webkit-appearance: none;  /* Override default CSS styles */
    appearance: none;
    width: 100%; /* Full-width */
    height: 25px; /* Specified height */
    background: #d3d3d3; /* Grey background */
    outline: none; /* Remove outline */
    opacity: 0.7; /* Set transparency (for mouse-over effects on hover) */
    -webkit-transition: .2s; /* 0.2 seconds transition on hover */
    transition: opacity .2s;
}

.density::-webkit-slider-thumb {
    -webkit-appearance: none; /* Override default look */
    appearance: none;
    width: 25px; /* Set a specific slider handle width */
    height: 25px; /* Slider handle height */
    background: #2a3f60; 
    cursor: pointer; /* Cursor on hover */
}

.density::-moz-range-thumb {
    width: 25px; /* Set a specific slider handle width */
    height: 25px; /* Slider handle height */
    background: #2a3f60; 
    cursor: pointer; /* Cursor on hover */
}



.height {
    -webkit-appearance: none;  /* Override default CSS styles */
    appearance: none;
    width: 100%; /* Full-width */
    height: 25px; /* Specified height */
    background: #d3d3d3; /* Grey background */
    outline: none; /* Remove outline */
    opacity: 0.7; /* Set transparency (for mouse-over effects on hover) */
    -webkit-transition: .2s; /* 0.2 seconds transition on hover */
    transition: opacity .2s;
}

.height::-webkit-slider-thumb {
    -webkit-appearance: none; /* Override default look */
    appearance: none;
    width: 25px; /* Set a specific slider handle width */
    height: 25px; /* Slider handle height */
    background: #2a3f60; 
    cursor: pointer; /* Cursor on hover */
}

.height::-moz-range-thumb {
    width: 25px; /* Set a specific slider handle width */
    height: 25px; /* Slider handle height */
    background: #2a3f60; 
    cursor: pointer; /* Cursor on hover */
}

.button {
    background-color: #2a3f60; 
    border: none;
    /*box-shadow: 5px 5px #000000;*/
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;


}

.button:active {
  background-color: #1c2b42;
  box-shadow: 0 3px #666;
  transform: translateY(2px);
}

.awakeness {
    -webkit-appearance: none;  /* Override default CSS styles */
    appearance: none;
    width: 100%; /* Full-width */
    height: 25px; /* Specified height */
    background: #d3d3d3; /* Grey background */
    outline: none; /* Remove outline */
    opacity: 0.7; /* Set transparency (for mouse-over effects on hover) */
    -webkit-transition: .2s; /* 0.2 seconds transition on hover */
    transition: opacity .2s;
}

.awakeness::-webkit-slider-thumb {
    -webkit-appearance: none; /* Override default look */
    appearance: none;
    width: 25px; /* Set a specific slider handle width */
    height: 25px; /* Slider handle height */
    background: #2a3f60; 
    cursor: pointer; /* Cursor on hover */
}

.awakeness::-moz-range-thumb {
    width: 25px; /* Set a specific slider handle width */
    height: 25px; /* Slider handle height */
    background: #2a3f60; 
    cursor: pointer; /* Cursor on hover */
}