.expandable {
    text-decoration: none;
    cursor: pointer;
}

.expandable::after {
    content: '\25B6';
    padding-left: 0.5em;
    text-decoration: none !important;
}

.active::after {
    content: '\25bc';
    padding-left: 0.5em;
    text-decoration: none !important;
}

input[type=text] {
    background: #fff;
    border: 1px solid #ccc;
    height: 25px;
    width: 600px;
    max-width: 90%;
    padding: 10px;
    margin-bottom: 25px;
    
    font-size: 18px;
}



button[type=submit] {
    background: #ddd;
    border: 0;
    color: #333;
    cursor: pointer;

}

.eby div {
    text-align: center !important
}