expression-calculator/testpage/index.less

Calculate expressions without using `eval()`, using LL(1) syntax analyzer.

body{
	margin:0 auto;
	padding:50px 10px 10px 10px;
	font-family:微软雅黑,sans;
	color:#303133;
	user-select: none;
	-ms-user-select: none;
}
:-ms-input-placeholder{
	font-family:微软雅黑,sans !important;
	font-size:16px !important;
	color:#C0C4CC !important;
}
::-moz-placeholder{
	font-family:微软雅黑,sans;
	font-size:16px;
	color:#C0C4CC;
}
::-webkit-input-placeholder{
	font-family:微软雅黑,sans;
	font-size:16px;
	color:#C0C4CC;
}
ribbon{
	display:block;
	position:fixed;
	top:0;
	right:0;
	background-color: #aa0000;
	box-shadow: 0 0 5px 2px #888888;
	overflow: hidden;
	user-select:none;
	user-drag:none;
	a{
		font-size: 12px;
		font-weight: bold;
		overflow: hidden;
		display: block;
		color: #ffffff;
		text-align: center;
		text-decoration: none;
		border-top: 1px solid #ffffff;
		border-bottom: 1px solid #ffffff;
		margin: 2px 0;
		width: 260px;
		line-height: 30px;
	}
}
@media only screen and (min-width: 600px){
    body{
        padding-top:10px;
    }
	ribbon {
		transform-origin:50px 50%;
		transform:translate(83px, 0px) rotate(45deg);
	}
    .inputForm{
        margin-right:170px;
    }
}

.inputForm{
	margin-bottom:10px;
	input,textarea{
        display: block;
		width:100%;
        font-size:16px;
        -webkit-appearance: none;
        background-color: #fff;
        background-image: none;
        border-radius: 4px;
        border: 1px solid #dcdfe6;
        color: #333333;
        padding:0 8px;
        outline:none;
        margin:0 10px 10px 0;
		box-sizing: border-box;
		outline: none;
	}
	input{
        height:30px;
        line-height:28px;
		::-ms-clear{
			display:none;
			height:0;
			width:0;
		}
	}
	textarea{
		resize:vertical;
        line-height:20px;
		height:130px;
		padding:4px 8px;
		overflow-x: hidden;
		overflow-y: auto;
	}
	button{
		margin:0 10px 5px 0;
		line-height:30px;
		height:30px;
		border-radius:15px;
		min-width:60px;
		padding:0 14px;
		border:none;
		background-color: #409eff;
		color:#ffffff;
		font-size:16px;
		cursor: pointer;
		outline: none;
		&:hover{
			background-color: #66b1ff;
		}
		&:disabled{
			cursor: not-allowed;
			background-color: #a0cfff;
			&:hover{
				background-color: #a0cfff;
			}
		}
	}
}
.calcResult{
	display: inline-block;
	vertical-align: top;
	line-height: 20px;
	padding:5px 0;
	&.error{
		color:#F56C6C;
	}
}