body {
    margin: 10px auto;
    font-family:serif;
    font-size: 0.9em;
    width: 99%;
    clear: both;
}
#main_form {
    margin: 0 auto;
    width: 99%;
    height: 320px;
    clear: both;
    background-color:#fff;
}

#sub_form1 {
    margin: 0 auto;
    width: 100%;
    height:100%;
    clear: both;
    border: 1px solid orange;
}

#head1_div{
    width:100%;
    height:60px;
    margin:0 auto;
    float:left;
    background-color:white;
}

#logo_div2{
    width:10%;
    height:60px;
    float:left;
}
#social_media_div2{
    width:25%;
    height:60px;
    float:left;
    color:darkblue;
    font-size:14px;
}
#title_div2{
    width:40%;
    height:60px;
    float:left;
}
#support_div{
    width:24%;
    height:60px;
    float:right;
}

#head2_div{
    width:100%;
    height:60px;
    margin:0 auto;
    float:left;
}
#flex_banner_div{
    width:60%;
    height:60px;
    float:left;
    background-color:#f1f1f1;
}
#login_div{
    width:40%;
    height:60px;
    float:right;
    background-color:#f1f1f1;
}
#request_main,#request_login,#support_form,#contact_form{
    width:25%;
    height:100%;
    display: block;
    padding-top:10px;
    padding-bottom:10px;
    text-align:center;
    color:green;
    background-color: magenta;
    border:none;
    outline:none;
    float:left;
}

#body_div{
    width:100%;
    height:470px;
    float:left;
    margin:0 auto;
    background-color:#fff;
}
#sub_div{
    width:10%;
    height:470px;
    float:left;
    background-color:dodgerblue;
}
#tam_btn1,#tam_btn2{
    width:100%;
    display: block;
    padding-top:10px;
    padding-bottom:10px;
    text-align:left;
    background-color:lightcyan;
    color:green;
    border:none;
    outline:none;
}
#request_main:hover,#request_login:hover,#support_form:hover,#contact_form:hover,#tam_btn1:hover,#tam_btn2:hover{
    color:white;
    background-color: blueviolet;
}
.brightness{
    display: inline-block;
}
.brightness:hover{
    opacity: .5;
    transition: all 0.1s;
}
#content_div{
    width:90%;
    height:470px;
    float:left;
    background-color:#fff;
}
#foot_div{
    width:100%;
    height:30px;
    float:left;
    color:black;
    background-color:white;
    margin:0 auto;
}