*{
    margin: 0;
    padding: 0;
}

html,body{
    height: 100%;
    display: grid;
    place-items: center;
    background: #0d4d68;
}

.box{
    background: white;
    padding: 20px 20px 20px 30px;
    border-radius: 5px;
    box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
}

.box .slider{
    height: 40px;
    width: 300px;
    display: flex;
    align-items: center;
    margin-right: 15px;
}

.box .slider input{
    height: 10px;
    width: 100%;
    outline: none;
    background: #f2f2f2;
    border-radius: 25px;
    box-shadow: inset 0px 0px 4px rgba(0, 0, 0, 0.2);
}

.box .value{
    font-size: 30px;
    font-weight: 600;
    font-family: sans-serif;
    color: #38bdf8;
    width: 55px;

}

/* Botão voltar */
.back-btn {
position: fixed;
top: 20px;
left: 20px;
background: #38bdf8;
color: #0f172a;
padding: 10px 16px;
border-radius: 8px;
text-decoration: none;
font-weight: 600;
transition: all 0.3s ease;
box-shadow: 0 5px 15px rgba(56, 189, 248, 0.3);
}

/* Hover */
.back-btn:hover {
background: #0ea5e9;
transform: translateY(-2px);
box-shadow: 0 8px 20px rgba(56, 189, 248, 0.5);
}