.calculator[data-v-28fb8bdc]{width:400px;margin:0 auto;padding:20px;background-color:#f1f1f1;border-radius:10px;-webkit-box-shadow:0 0 10px rgba(0,0,0,.1);box-shadow:0 0 10px rgba(0,0,0,.1)}.expression[data-v-28fb8bdc]{min-height:30px;color:#888;text-align:right;font-size:16px;margin-bottom:5px}.display[data-v-28fb8bdc]{width:100%;min-height:60px;background-color:#333;color:#fff;text-align:right;padding:10px;font-size:24px;border-radius:5px;margin-bottom:10px;word-wrap:break-word}.buttons[data-v-28fb8bdc]{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}button[data-v-28fb8bdc]{width:100%;font-size:18px;border-radius:5px;background-color:#fff;border:1px solid #ccc}.zero[data-v-28fb8bdc]{grid-column:span 2}[data-v-28fb8bdc] .el-button+.el-button{margin-left:0}