Disable plugin default css

GRAVITY FORM

 
.gform_wrapper {
    margin: 0!important;
    max-width: 100%!important;
} 
.gform_wrapper .top_label li.gfield input, 
.gform_wrapper .top_label li.gfield select, 
.gform_wrapper .top_label li.gfield textarea {
    width: 100%!important; 
    padding-right: 2%!important;
    padding-left: 2%!important;
}
.gform_wrapper .top_label li.gfield .ginput_left, 
.gform_wrapper .top_label li.gfield .ginput_right {
	width: 49%!important;
} 
.gform_wrapper .gform_footer {
    padding: 0;
    margin: 10px 0 0 0;
}

WOOCOMMERCE TABS

 
.woocommerce-tabs ul.tabs:before,
.woocommerce-tabs ul.tabs li:after,
.woocommerce-tabs ul.tabs li:before,
.woocommerce-tabs ul.tabs li a:after,
.woocommerce-tabs ul.tabs li a:before {
    display: none!important;
    box-shadow: 0 0 0 #fff!important;
}
.woocommerce-tabs ul.tabs, 
.woocommerce-tabs ul.tabs li,
.woocommerce-tabs ul.tabs li a {
    padding: 0!important;
    margin: 0!important;
    border: 0!important;
    background: transparent!important;
    box-shadow: 0 0 0 #fff!important;
    -webkit-border-radius: 0!important;
    -moz-border-radius: 0!important;
    border-radius: 0!important;
}
.woocommerce-tabs ul.tabs li {
    background-color: #ddd!important;
    margin: 0 0 5px 0!important;
    float: left;
}
.woocommerce-tabs ul.tabs li a {
    padding: 5px 10px!important;
}
.woocommerce-tabs ul.tabs li.active {
    background-color: #eee!important;
    float: left;
}

NEXTGEN GALLERY

 
.ngg-gallery-thumbnail-box {
	margin: 5px .5%!important;
	width: 32.3%!important;
}
.ngg-gallery-thumbnail a {
	display: block;
	overflow: hidden;
}
.ngg-gallery-thumbnail a img {
	border: 1px solid #8eb83b!important;
	width: 95%!important;
	padding: 2%!important;
	margin: 0 auto!important;
}