*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
    text-decoration: none;
}    

html, body {
    width: 100%;
    height: 100%;
}    

#address {
    width: 100%;
    line-height: 22px;
    padding-left: 50px;
    padding-right: 50px;
    color: #777777;
    background-color: #f7f8fa;
    font-size: 10px;
}

#main {
    max-width: 350px;
    margin: auto;
    padding-top: 80px;
    padding-bottom: 50px;
}

#register {
    width: 100%;
}    

#register > p:nth-child(1){
    font-size: 30px;
    font-weight: 500;
}    

#register > p:nth-child(2) {
    font-size: 24px;
    font-weight: 500;
    margin-top: 21px;
    margin-bottom: 21px;
}    

#formDiv, #register {
    width: 100%;
    line-height: 30px;
}

#formDiv {
    margin-top: 20px;
    line-height: 20px
}

.required {
    color: #777777;
    padding-left: 5px;
    font-size: 14px;
    line-height: 22px;
    float: right;
}

#registerForm > input {
    width: 100%;
    height: 44px;
    border: 1px solid ;
    outline: none;
    background: transparent;
    font-size: 16px;
    border: 1px solid #e9e7e7;
    padding: 11px 12px 15px 18px;
    font-weight: 500;
    margin-bottom: 20px;
}

#registerForm > label {
    font-size: 17px;
    color: #777777;
    padding-bottom: 5px;
    display: inline-block;
    border: 1ps solid black;
}

#button {
    background-color: #a3b49b;
    color: #ffffff;
    font-size: 14px;
    padding: 5px 20px 4px;
    font-weight: 500;
    width: 100%;
    height: 44px;
    border: none;
    outline: none;
    margin-top: 10px;
    margin-bottom: 20px;
}

sup {
    font-size: 30px;
}

#main > a {
    font-size: 11px;
    font-weight: 600;
    color: #333333;
    cursor: pointer;
}

#underLine, #uline {
    width: 80px;
    outline: none;
    border: none;
    height: 2px;
    background: black; 
    margin-left: 13px;
    margin-top: -3px;
    display: none;
}

#uline {
    transition: scale(1, 1);  
    transition: transform 01s ease;
}

#errMsg {
    color: #ff0000;
    font-size: 18px;
}