.grid {
    width: 100%;
    height: 500px;
}
.grid1 {
    width: 100%;
    height: 700px;
}
.grid2 {
    width: 100%;
    height: 300px;
}

.top5 { margin-top: 5px; }
/*for hide spinner button in type="number"*/
/*
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
*/