.fa-plus:before { 
content: "+" !important; 
font-size: 22px !important; 
font-weight: bold !important; 
} 

.fa-remove:before, .fa-close:before, .fa-times:before { 
content: "x"; 
font-size: 22px; 
font-weight: bold; 
} 

.fa-search:before { 
content: "Search"; 
font-family: Arial; 
}