*{margin:0;padding:0}body{background-color:#3b4664}.calculator{width:400px;display:flex;justify-content:center;align-items:center;flex-direction:column;margin:2% auto 0;padding:24px;background:#647298;max-width:400px;border-radius:10px}.calc-title{color:#fff;font-size:24px;font-weight:700;margin-bottom:20px}.top input{outline:none;border:none;width:340px;height:100px;background-color:#181f32;border-radius:10px;color:#fff;font-size:40px;text-align:right;padding:0 10px;pointer-events:none}.top span{display:block;text-align:right;margin-bottom:20px;color:#fff}.numbers{display:grid;background-color:#181f32;width:320px;margin-top:24px;grid-template-columns:repeat(4,1fr);border-radius:10px;grid-gap:16px;padding:20px}.numbers button{width:100%;height:50px;outline:none;font-size:24px;border-radius:10px;border:none;background-color:#eae3db;border-bottom:3px solid rgb(181,164,153);cursor:pointer;color:#474e5f}.numbers .item:nth-child(4) button{background-color:#647298;border-color:#3b4664;color:#fff}.numbers .item:nth-child(17) button{background-color:#647298;border-color:#3b4664;color:#fff}.numbers .item:nth-child(17),.numbers .item:nth-child(18){grid-column:span 2}.numbers .item:nth-child(18) button{background-color:#ac2323;border-color:#8f1b1b;color:#fff}