/* GRID */
#main_grid_index { /*  */
    display: grid; 
    grid-template-columns: 0.1fr 4.8fr 2fr 0.1fr;
    grid-template-rows: repeat(auto-fit, minmax(min(200px, 100%), 1fr 1fr));

    grid-template-areas: 
        ". info1_container reg_container_index ."
        ". info1_container reg_container_index ."
        ". info2_container info2_container ."
        ". info3_container info3_container ."
        ;    
    grid-gap: 1.2rem;
    /*margin: 1.2rem;*/
}


@media only screen and (max-width:550px) {
    #main_grid_index {

        /*
        grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
        grid-template-rows: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
        */

        grid-template-columns: repeat(auto-fit, minmax(min(550px, 100%), 1fr));
        grid-template-rows: repeat(auto-fit, minmax(min(100px, 100%), 1fr));
        grid-template-areas: 
        "navbar"
        ;
    }
}

#info1_container {
    max-width: 100%;
    height: auto;
    grid-area: info1_container;
}

#info2_container {
    max-width: 100%;
    height: auto;
    grid-area: info2_container;
}

#info3_container {
    max-width: 100%;
    height: auto;
    grid-area: info3_container;
}

#reg_container_index {
    max-width: 100%;
    height: auto;
    grid-area: reg_container_index;
    background-color: burlywood;
    border-color: #111;
    border-style: solid;
    border-width: 3px;
    border-radius: 10px;
    border-color: black;
}

h3 {
    font-size: 1.6rem;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 600;
    text-align: center;
    padding: 30px 0 10px;
}

p {
    text-align: center;
}

.info_p {
    text-align: left;
}

.form-error {
    color: red;
}

.form-success {
    color: green;
}

form {
    width: 200px;
    margin: 0 auto;
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
}

form input {
    width: 100%;
    padding: 6px 10px;
    margin-bottom: 4px;
    border-radius: 5px;
    background-color: #fff;
}

form button {
    width: 76px;
    padding: 6px 10px;
    margin-top: 8px;
    margin-bottom: 8px;
    border-radius: 5px;
    background-color: #111;
    color: #fff;
    text-align: center;
    cursor: pointer;
}

form button:hover {
    background-color: #313131;
}

.div_inline {
    display: flex;
    flex-direction: row;
}