.box-block {
display:table;
width:100%;
}
.box-block div {
display:table-cell;
word-wrap:break-word;
width:33.33%;
text-align:center;
padding:10px;
}
.box1 {
background-color:#FF7800;
}
.box2 {
background-color:#028E9B;
}
.box3 {
background-color:#FFAD00;
}