.big_icon {
	display: inline-block;
	width:150px;
	height:150px;
	border-radius:15px; 
}

#plant_bot_game_icon {
	background: url(../img/game_icons.svg) 0px 0px;
}

#target_shoot_icon {
	background: url(../img/game_icons.svg) -150px 0px;
}

#doors_game_icon {
	background: url(../img/game_icons.svg) -300px 0px;
}

#java_icon {
	background: url(../img/topic_icons.svg) 0px 0px;
}

#python_icon {
	background: url(../img/topic_icons.svg) -150px 0px;
}

#web_icon {
	background: url(../img/topic_icons.svg) -300px 0px;
}

#animation_icon {
	background: url(../img/app_icons.svg) -150px -150px;
}

#insurance_graph_icon {
	background: url(../img/app_icons.svg) -300px -150px;
}

#database_icon {
	background: url(../img/app_icons.svg) -600px -150px;
}

#lin_alg_icon {
	background: url(../img/app_icons.svg) -450px -0px;
}

#data_plot_icon {
	background: url(../img/app_icons.svg) -600px -0px;
}

#structure_chart_icon {
	background: url(../img/app_icons.svg) 0px 0px;
}

#graph_apps_icon {
	background: url(../img/app_icons.svg) -150px 0px;
}

#query_maker_icon {
	background: url(../img/app_icons.svg) -300px 0px;
}

#set_theory_icon {
	background: url(../img/app_icons.svg) 0px -150px;
}

#class_builder_icon {
	background: url(../img/app_icons.svg) 0px -300px;
}

#data_structs_tool_icon {
	background: url(../img/app_icons.svg) -450px -150px;
}

#ndarray_tool_icon {
	background: url(../img/app_icons.svg) -150px -300px;
}