.w3-light-grey,
.w3-hover-light-grey:hover,
.w3-light-gray,
.w3-hover-light-gray:hover {
    color: #000 !important;
    background-color: #f1f1f1 !important
}
.w3-container:after,
.w3-container:before,
.w3-panel:after,
.w3-panel:before,
.w3-row:after,
.w3-row:before,
.w3-row-padding:after,
.w3-row-padding:before,
.w3-container:after,
.w3-container:before,
.w3-panel:after,
.w3-panel:before,
.w3-row:after,
.w3-row:before,
.w3-row-padding:after,
.w3-row-padding:before,
.w3-container,
.w3-panel {
    padding: 0.01em 16px
}
.w3-panel {
    margin-top: 16px;
    margin-bottom: 16px
}
.w3-green,
.w3-hover-green:hover {
    color: #fff !important;
    background-color: #4CAF50 !important
    /*#F44336 red #2196F3 blue*/
}
.w3-red,
.w3-hover-red:hover {
    color: #fff !important;
    background-color: #F44336 !important
}
.w3-yellow,
.w3-hover-yellow:hover {
    color: #fff !important;
    background-color: #ffc107 !important
}
.w3-nan,
.w3-hover-nan:hover {
    color: #000 !important;
    background-color: #f1f1f1 !important
}
.w3-center {
    text-align: center !important
}