.cursor{border-right:1px solid #111;width:1px;height:30px;margin:3px 0}.blink_me{animation:.8s linear infinite blinker}@keyframes blinker{50%{opacity:0}}.editor-box{color:#888;direction:ltr;background-color:#fff;border:1px solid #eee;border-radius:5px;flex-wrap:wrap;align-items:center;max-width:100%;min-height:50px;padding:5px 5px 5px 33px;display:flex;position:relative}.expression-item{cursor:pointer;align-items:center;padding:0 2px;line-height:20px;transition:all .3s;display:flex;position:relative}.expression-item:hover{color:red;border:1px dashed pink}.expression-item.operator{font-size:30px}.operands{background-color:#eee;border:1px solid #ddd;border-radius:5px;margin:10px;padding:10px;display:flex}.operands span{cursor:pointer;color:#fff;background-color:purple;border-radius:5px;margin:10px;padding:5px}.operators{background-color:#eee;border:1px solid #ddd;border-radius:5px;margin:10px;padding:10px;display:flex}.operators span{cursor:pointer;color:#fff;background-color:#00b6f1;border-radius:5px;width:40px;margin:10px}.editor-box .validation-icon{border-radius:50%;justify-content:center;align-items:center;width:25px;height:25px;display:flex;position:absolute;top:10px;left:5px}.editor-box.not-valid{border:1px solid #ff6883}.editor-box.not-valid .validation-icon{color:#ff1f46;background:#ffd5d5}.editor-box.valid{border:1px solid #00bf69}.editor-box.valid .validation-icon{color:#00bf69;background:#d5ffec}