li.earthquake_red {
list-style-type: square;
color:red;
}

li.earthquake_orange {
list-style-type: square;
color:orange;
}

li.earthquake_yellow {
list-style-type: square;
color:yellow;
}

li.earthquake_green {
list-style-type: square;
color:green;
}

li.earthquake_unknown {
list-style-type: square;
color:grey;
}