#main-content-c {
    max-width: 1300px;
    margin: auto;
    padding: 0 20px;
    text-align: center;
}
.main-content-c-1 {
    margin: auto;
    margin-top: 20px;
}

.main-content-c-1::after {
    content: "";
    display: table;
    clear: both;
}

.column {
    float: left;
    padding: 10px;
}

.column.left {
    width: 50%;
    padding-left: 20px;
    text-align: center;
    padding-top: 150px;
}

.column.right {
    width: 50%;
    padding-left: 20px;
    text-align: center;
}

@media (max-width: 600px) {
    .column.left, .column.right {
        padding-top: 0;
        text-align: center;
        width: 100%;
    }
}

/* ----------------  CSS für Eingabe Maske ----------*/
    
.row {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    margin: 0 16px;
}

.col-50 {
    -ms-flex: 50%;
    flex: 50%;
    padding: 0 16px;
}

input[type=Text], select, textarea {
    width: 100%;
    margin-bottom: 20px;
    padding: 12px;
}

label {
    display: block;
    text-align: left;
}

/* ------------Set Style for all Buttons --------*/

button {
    background-color: #4caf50;
    color: white;
    padding: 14px 20px;
    border: none;
    cursor: pointer;
    width: 100%;
}

button:hover {
    opacity: 0.7;
}

.cancelbtn, .signupbtn {
    float: left;
    width: 50%;
}

.cancelbtn {
    background-color: #f44336;
}

@media (max-width: 600px) {
    .row {
        flex-direction: column;
    }
    .col-50 {
        margin-bottom: 20px;
    }
}