import sys
from PyQt5 import QtCore
from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QGridLayout

app = QApplication(sys.argv)

window = QWidget()
window.setFixedSize(720,480)
window.setStyleSheet("background: #B0E2FF;")

grid = QGridLayout()

box1 = QLabel()
box1.setStyleSheet(
    "background-color: #CD5C5C;"+
    "border-radius: 15px;"+
    "font-size: 20px;"+
    "color: 'white';"
    )
box1.setText("0,0,1,1")
box1.setAlignment(QtCore.Qt.AlignCenter)

box2 = QLabel()
box2.setStyleSheet(
    "background-color: #CD5C5C;"+
    "border-radius: 15px;"+
    "font-size: 20px;"+
    "color: 'white';"
    )
box2.setText("0,1,1,1")
box2.setAlignment(QtCore.Qt.AlignCenter)

box3 = QLabel()
box3.setStyleSheet(
    "background-color: #CD5C5C;"+
    "border-radius: 15px;"+
    "font-size: 20px;"+
    "color: 'white';"
    )
box3.setText("0,2,1,1")
box3.setAlignment(QtCore.Qt.AlignCenter)

box4 = QLabel()
box4.setStyleSheet("background-color: #CD5C5C;"+
    "border-radius: 15px;"
    "font-size: 20px;"+
    "color: 'white';"
    )
box4.setText("1,0,1,1")
box4.setAlignment(QtCore.Qt.AlignCenter)

box5 = QLabel()
box5.setStyleSheet("background-color: #CD5C5C;"+
    "border-radius: 15px;"
    "font-size: 20px;"+
    "color: 'white';"
    )
box5.setText("2,0,1,2")
box5.setAlignment(QtCore.Qt.AlignCenter)

box6 = QLabel()
box6.setStyleSheet("background-color: #CD5C5C;"+
    "border-radius: 15px;"
    "font-size: 20px;"+
    "color: 'white';"
    )
box6.setText("3,0,1,3")
box6.setAlignment(QtCore.Qt.AlignCenter)

grid.addWidget(box1,0,0,1,1)
grid.addWidget(box2,0,1,1,1)
grid.addWidget(box3,0,2,1,1)
grid.addWidget(box4,1,0,1,1)
grid.addWidget(box5,2,0,1,2)
grid.addWidget(box6,3,0,1,3)

window.setLayout(grid)

window.show()
sys.exit(app.exec_())