.form_container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

form {
    background: #fff;
    border-radius: 5px;
    max-width: 400px;
    width: 100%;
    margin: auto;
}

form input[type="text"],
form input[type="email"]{
    width: 100%;
    padding: 8px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
    display: block;
}
form textarea{
    width: 100%;
    padding: 8px;
    margin: 8px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
    display: block;
}
form button {
    border:none;
    border-radius: 5px;
    padding: 5px 10px;
    background-color: var(--nav-dropdown-color);
    color: #fff;
    font-weight: bold;
    text-transform: uppercase;
    display: block;
}

form button:hover {
    background-color: #45a049;
}
.box {
    padding: 10px;
    margin: 20px 0;
    border-radius: 5px;
    font-family: Arial, sans-serif;
    width: 90%;
    max-width: 400px;
}

.success-box {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error-box {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.div_img_ctc{
    display: table-cell;
    width: 50%;
    vertical-align:middle;
    padding:20px;
}
.div_form_ctc{
    display: table-cell;
    width: 50%;
    vertical-align:middle;   
}
@media (max-width:992px){
    .div_img_ctc img{
    width: 100%;
}
}
input[type="text"], textarea, input[type="email"]{
        width: 400px !important;
    }
@media (max-width:992px){
    .columna_top_curso{
        padding: 0 !important;
    }
    .div_img_ctc, .div_form_ctc{
        width: 80%;
        display: block;
        margin: 0 auto;
        text-align: center;
        padding: 0 !important;
    }
}
@media (max-width: 532px){
    input[type="text"], textarea, input[type="email"]{
        width: 100% !important;
    }
}