html, body, #map-canvas {
    height: 100%;
    margin: 0px;
    padding: 0px
}
/* set the size and position of button on web */
.button {
    padding: 2px;
}
.container {
    display: flex;
    height: 50px;
}
.item {
    flex-basis: 125px;
    height: 50px;
    margin: 5px;
}
.modal-dialog {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

.modal-content {
    height: auto;
    min-height: 100%;
    border-radius: 0;
}