.myContainer { max-width: 100vw; height: 100vh; overflow-x: hidden; } .boite { margin-left: auto; margin-right: auto; width: 50%; margin-top: 10vh; border: solid 3px; border-radius: 10px; padding: 20px 40px 20px 40px; background-color: #ffffff; text-align: center; box-shadow: 10px 5px 5px black; } .myRow { margin: 15px 0px 15px 0px; } .myLabel { text-align: right; padding: 0px 5px 0px 0px; margin: 0px; font-weight: bold; } .myValue { text-align: left; padding: 0px 0px 0px 5px; margin: 0px; } .btnContainer { text-align: center; margin-top: 40px; } .myBtn { border: solid 1px black; background-color: white; }