*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    font-family: monospace;
}

body{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #333;
}

section{
    overflow: hidden;
}

div{
    position: relative;
}

#rangeValue{
    position: relative;
    text-align: center;
    display: block;
    font-size: 6rem;
    font-weight: 800;
    z-index: 1;
    color: #ff0000;
}
#rangeValue::after{
    content: "%";
}

.range{
    position: relative;
    width: 320px;
    height: 60px;
    appearance: none ;
    background: linear-gradient(to right, #ff8810, #ff8c00,#40e0d0);
    outline: none;
    border-radius: 40px;
    border: 1px solid #000;
    box-shadow: 0 0 0 2px #151515, inset 0 0 5px #000;
    z-index: 1;
    overflow: hidden;
}

.range::-webkit-slider-thumb{
    appearance: none;
    width: 50px;
    height: 50px;
    background: transparent;
    cursor: pointer;
    border-radius: 50%;
    border: 5px solid #fff;
    box-shadow:-155px 0 0 150px #ff0080 ;
}