.fl {
    float: left;
}
.tool_cal_form select {
	width: 60px;
    border: 1px solid #e1e1e1;
    padding: 0 8px;
	}
.cal_operator {
    font-size: 15px;
    font-weight: bold;
    line-height: 30px;
    margin: 0 5px;
    vertical-align: middle;
}
.tool_cal_form input[type="text"] {
    border: 1px solid #e1e1e1;
    height: 44px;
    padding: 0 8px;
}

a.cal_btn {display: inline-block;
    width: 20%;
    height: 100%;
    background: #f18200;
    padding: 8px;
    text-align: center;
    border-radius: 3px;
    color: white;
    box-sizing: border-box;
    border: 1px solid #cccccc;
	font: 500 16px/25px PT Sans, Helvetica Neue, Verdana, Arial, sans-serif;
	cursor: pointer;
	}

a.reset_btn {display: inline-block;
    width: 20%;
    height: 100%;
    background: #6d8dc7;
    padding: 8px;
    text-align: center;
    border-radius: 3px;
    color: white;
    box-sizing: border-box;
    border: 1px solid #cccccc;
	font: 500 16px/25px PT Sans, Helvetica Neue, Verdana, Arial, sans-serif;
	cursor: pointer;
	}
	
.cal_btn:hover, .reset_btn:hover{
	color: #03689b;
    transition: all 500ms ease;
    background: #ffffff;
    text-decoration: none;
}	

/*Molecular weight calculator*/

input#input_formula, input#outputMM {
    width: 20%;
    border: 1px solid #e1e1e1;
    margin-right: 10px;
    height: 44px;
    padding: 0 10px;
}

input#dilVol1Bg {
    border: 1px solid #e1e1e1;
    height: 44px;
    padding: 0 8px;
}