a{
    color:#4D4D4D;
    text-decoration: none;
}
a:hover{
    text-decoration: none;
}
input{
    border: none;
    outline:0;
    /*ios端的输入框样式去除*/
    -webkit-appearance:none;
}

.fl{
    float: left;
}
.fr{
    float: right;
}
table{
    border-collapse: collapse;
    border-spacing: 0;
}