#mail_300_main{
    background-color: white;
    min-height: 100vh;
}

#mail_300_nav{
    list-style: none;
    display: flex;
    align-items: last baseline;
    justify-content: space-around;
    padding: 2.5rem 0.5rem 0.5rem 0.5rem;
    font-size: smaller;
    color: gray;
}

#mail_300_nav li a{
    padding: 0rem 0.5rem;
    border: 1px solid grey;
    border-width: 0px 0px 0px 1px;
}

#mail_300_nav li a:hover{
    color: #1fb09f;
    
}

#m3_form_container{
    background-image: url(../pages/mail_300/side_bar.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: right;
    padding-right: 15rem;
}

#m3_form{
    width: 25%;
    background-color: white;
    padding: 1rem;
    box-shadow: 0px 0px 3px grey;
    border-radius: 5px;
}

#m3_form ul{
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#m3_form ul li{
    width: 100%;
    padding: 0.5rem 0.1rem;
    text-align: center;
    font-weight: bold;
    border: 2px solid transparent;
    border-width: 0px 0px 2px 0px;
    cursor: pointer;
}

#m3_form ul li:last-child{
    color: #1ea999;
    border-color: #1ea999;
}

.m3_inputs{
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid silver;
    margin: 1rem 0rem;
    padding: 0.6rem 0.5rem;
    background-color: whitesmoke;
    border-radius: 3px;
}

.m3_inputs input{
    width: 100%;
    border: none;
    background-color: transparent;
}

#m3_form_mid{
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: smaller;
}

#m3_form_mid p{
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

#m3_form_mid p i{
    border: 1px solid silver;
    width: 15px;
    height: 15px;
    cursor: pointer;
}

#m3_form_mid p span img{
    width: 100%;
}

#m3_form_mid select{
    padding: 0.4rem;
    border-color: silver;
}

#m3_form button{
    width: 100%;
    display: block;
    text-align: center;
    background-color: #1fb09f;
    color: white;
    padding: 0.5rem 0.1rem;
    margin: 1.5rem 0rem 0.3rem 0rem;
    font-size: larger;
    font-weight: 500;
}

#m3_form_foot{
    display: block;
    width: 100%;
    text-align: right;
    font-size: smaller;
}

#m3_form_foot:hover{
    color: blue;
}

#mail_300_main footer{
    text-align: center;
    padding: 1rem 0.1rem;
    font-size: 0.8rem;
    color: gray;
}

#mail_300_main footer a:hover{
    color: blue;
}

/*  */

@media (max-width:1030px) {
    #m3_form_container{
        min-height: 40vh;
        padding-right: 10rem;
    }
    
    #m3_form{
        width: 40%;
    }
}

@media (max-width:900px) {
    #m3_form_container{
        padding-right: 5rem;
    }
    
    #m3_form{
        width: 50%;
    }
}

@media (max-width:650px) {
    #mail_300_nav{
        justify-content: space-between;
        padding: 2.5rem 0.2rem 0.5rem 0.2rem;
        font-size: 0.7rem;
    }
    
    #mail_300_nav li a{
        padding: 0rem 0.3rem;
    }

    #m3_form_container{
        padding: 0rem 1rem;
        justify-content: center;
    }
    
    #m3_form{
        width: 60%;
    }

    #mail_300_main footer{
        font-size: 0.6rem;
    }
}

@media (max-width:500px) {
    #mail_300_nav{
        padding: 2rem 0.2rem 0.5rem 0.2rem;
    }
    
    #mail_300_nav li{
        display: none;
    }

    #m3_form_container{
        padding: 0rem 0.5rem;
        min-height: 50vh;
    }
    
    #m3_form{
        width: 80%;
    }
}

@media (max-width:400px) {
    #mail_300_nav{
        padding: 1rem 0.2rem 0.5rem 0.2rem;
    }
    
    #m3_form{
        width: 90%;
    }

    #mail_300_main footer{
        font-size: 0.5rem;
    }
}

@media (max-width:360px) {
    #m3_form{
        width: 100%;
    }
}