body{
    font-size: 10px;
    direction: rtl;
}
#nu,.a{
    height: 30px;
}
.a{
    width:100px;
    background-color: white;
}
.b{
    width: 60px;
    height: 20px;
    overflow-x: hidden;
    margin: 5px;
}
#on{
    background-color: black;
    position: fixed;
    margin-top: 0px;
}
#svg{
    width: 600px;
    height: 200px;
    border: 5px solid red;
}
.button{
    width: 200px;
    min-height: 100px;
    background-color: white;
    margin: 5px;
    border-radius: 30px;
    border: 5px solid black;
    font-size: 30px;
}
#timer{
    width: 410px;
    height: 50px;
    background-color: white;
    margin: 5px;
    border-radius: 30px;
    border: 5px solid black;
    overflow: hidden;
}
#intimer{
    height: 100%;
}
.buttonl{
    width: 410px;
}
@media screen and (max-width:450px)
{
    .button{
        width: 100%;
    }
    .buttonl{
        width: 100%;
    }
    #timer{
        width: 100%;
    }
}
@media screen and (max-width:820px)
{
    #ev{
        display: none;
    }
    #on{
        display: none;
    }
}