.container-parent {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    overflow: auto;
}

.login-container, .register-containter {
    width: 250px;
    height: 250px;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
}

.title-containter {
    text-align: center;
    font-size: 30px;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: bold;
    margin-bottom: 10px;
}

.button-element {
    border: 1px solid black;
    border-radius: 4px;
    width: 100%;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.button-element:hover, .button-element:focus {
    background-color: #dddddd;
    border: 1px solid black;
}

#buttonOne {
    margin-bottom: 10px;
}

a:hover, a:active, a:visited, a:focus, a {
    color: black;
}


.form-group {
    margin-bottom: 15px;
}