body {
    color: #999;
    background-color: #F2F2F2;
    background-size: cover;
}

.space-between {
    display: flex;
    justify-content: space-between;
}

.login-box {
    width: 430px;
    margin: 100px auto 0 auto;
    border-radius: 3px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 1);
}

.login-head {
    background: #899fe1;
    border-radius: 3px 3px 0 0;
}

.login-form {
    padding: 40px 30px;
    position: relative;
}

.avatar {
    width: 100px;
    height: 100px;
    display: block;
    -moz-border-radius: 50%;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    margin: -93px auto 30px;
    border: 5px solid #fff;
}

.layui-form-item .layui-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 38px;
    line-height: 38px;
    text-align: center;
    font-size: 20px;
}

.layui-form-item .layui-input {
    padding-left: 38px;
}

.login-btn {
    width: 100%;
    height: 42px;
    line-height: 42px;
    background: #708eea;
    color: #fff;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
}

.captcha {
    height: 38px;
    margin-left: 20px;
    cursor: pointer;
}