.btn span.material-icons {
    font-size: 17px;
    margin-right: 2px;
    vertical-align: -3px;
}

button.btn {
    font-size: 17px !important;
}

.form-group {
    margin-bottom: 0.5rem !important;
}


.fields{
    overflow: hidden;
    -webkit-transition: width 0.5s, height 0.5s, background-color 0.5s, -webkit-transform 0.5s;
    transition: width 0.5s, height 0.5s, background-color 0.5s, transform 0.5s;
}

.fields.spoiler-off{
    height: 0;
}