#app{position:relative;height:100%;width:100%;overflow:hidden}.space_between{display:flex;align-items:center;justify-content:space-between}.space_evenly{display:flex;align-items:center;justify-content:space-evenly}.start{display:flex;align-items:center;justify-content:flex-start}.center{display:flex;align-items:center;justify-content:center}.column{display:flex;align-content:center;flex-direction:column;align-items:center;justify-content:center}.bg_img{background-position:center;background-repeat:no-repeat;background-size:100%}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;width:100%;background-color:#f2f3f4;overflow:hidden}