.calculator{width:min(400px,95vw);display:flex;flex-wrap:wrap;row-gap:10px;justify-content:space-between;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.calculator button{width:calc((100% - 20px) / 3);height:50px;font-size:2em;background-color:var(--gray-l);border:0;border-radius:5px}.calculator button:nth-child(3n+1),.calculator button:last-child{margin-right:0}.calculator button:nth-child(n+11){background-color:orange}.calculator button:nth-child(12){background-color:var(--gray-l)}.calculator button:last-child{background-color:var(--green)}.number{height:1.4em}.operations{font-size:.5em}.screen{display:block;width:100%;height:75px;font-size:2em;background-color:var(--gray-l);border-radius:5px;box-sizing:border-box;text-align:right;padding:0 10px}