manager.css

.login_block{
	width: 400px;
    height: 200px;
    padding: 13px;
    
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -200px;
    margin-top: -200px;
 
    background-color: rgba(240, 255, 255, 0.5);
 
    border-radius: 10px;
    text-align: center;
}

.blog {
	font-size: 20px;
	color: red;
}

.label_input {
    font-size: 14px;
    font-family: 宋体;
 
    width: 65px;
    height: 28px;
    line-height: 28px;
    text-align: center;
 
    color: white;
    background-color: #3CD8FF;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}
 
.text_field {
    width: 278px;
    height: 28px;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    border: 0;
}

#login_control {
    padding: 0 28px;
}