body{
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
}

#btn_1{
    grid-row: 2;
    grid-column: 1;
}

#btn_2{
    grid-row: 3;
    grid-column: 1;
}

#btn_3{
    grid-row: 4;
    grid-column: 1;
}
#btn_4{
    grid-row: 5;
    grid-column: 1;
}

#btn_5{
    grid-row: 1;
    grid-column: 2;
}

#btn_6{
    grid-row: 1;
    grid-column: 3;
}

#btn_7{
    grid-row: 1;
    grid-column: 4;
}

#btn_8{
    grid-row: 1;
    grid-column: 5;
}

#nothing{
    grid-row: 1;
    grid-column: 1;
    background-color: white;
}

.dis{
    background-color: white !important;
    border: 0.2px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    color:black
}

.btn{
    background-color: white !important;
    border-radius: 100%;
    border: 0.2px solid black;
    display: flex;
    justify-content: center;
    align-items: center;
    color:black
}