*{
    transition: all 100ms ease;
}

body, html{
    margin: 0px;
    padding: 0px;
    background-color: aqua;
    height: 100%;
    overflow-x: hidden;
}

header{
    height: 15%;
    display: flex;
    text-align: center;
    align-items: center;
    background-color: grey;
    box-shadow: 1px 1px 10px 1px black;
}

h1{
    width: 100%;
    padding: 0px;
    margin: 0px;
}

#logo{
    position: fixed;
    height: 80px;
}


#box-numero{
    height: 40% ;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 100px;
}


#box-btn-range{
    height: 45%;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}

#box-min{
    background-color: rgb(0, 195, 255);
    padding: 30px;
    border-radius: 7px;
}

#box-max{
    background-color: rgb(0, 195, 255);
    padding: 30px;
    border-radius: 7px;
}

#box-btn{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 50%;
    width: 50%;
}

button{
    padding: 30px;
    cursor: pointer;
    border-radius: 10px;
    box-shadow: 0px 0px 10px 0px black;
    background-color: yellow;
}

button:active{
    padding: 28px;
    box-shadow: none;
}

/* schermi piccoli */
@media screen and (max-width: 750px){
    #logo{
        margin-left: -2px;
    }
    h1{
        padding-left: 70px;
        font-size: x-large;
        margin: 0 20px;
    }
    #box-btn-range{
        display: flex;
        flex-direction: column;
        height: 40%;
    }
    #box-btn{
        display: grid;
        place-content: center;
        height: 100%;
        width: 100%;
    }
    #box-min{
        background-color: rgb(0, 195, 255);
        padding: 20px;
        border-radius: 7px;
    }
    
    #box-max{
        background-color: rgb(0, 195, 255);
        padding: 20px;
        border-radius: 7px;
    }
}