body {
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

.container {
    height: 15px;
    width: 100%;
    position: absolute;
    margin: auto;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

.glass {
    height: 100px;
    width: 100px;
    position: absolute;
    margin: auto;
    left: 0;
    right: 0;
    top: 20px;
    font-size: 100px;
}

.fa-solid {
    -webkit-text-fill-color: transparent;
    background-image: -webkit-linear-gradient(transparent 100px, rgb(137, 13, 13) 100px);
    -webkit-text-stroke: 4px rgb(137, 13, 13);
    background-size: 200px 200px;
    -webkit-background-clip: text;
    background-position: 0 -100px;
}

.slider {
    width: 90vw;
    height: 15px;
    position: absolute;
    -webkit-appearance: none;
    background-color: rgb(137, 13, 13);
    border-radius: 5px;
    outline: none;
    left: 0;
    right: 0;
    margin: auto;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 30px;
    width: 30px;
    border-radius: 50%;
    background-color: darkgray;
    outline: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb:hover {
    box-shadow: 0 0 0 3px rgb(137, 13, 13),
    0 0 0 6px white;
}

.slider:active::-webkit-slider-thumb {
    box-shadow: 0 0 0 3px rgb(137, 13, 13),
    0 0 0 6px white;
}