Cómo alinear el texto de mi blog en Internet Explorer

.widgettitle
.widgetcontainer ul, .widgetcontainer .xoxo, .widgetcontainer ol
.posts-default .entry-title
.posts-default .entry-summary, .posts-quick .entry-summary
.posts-quick .entry-title
.home-title

text-align:left;

.widgettitle {
  background: url("../../images/feed-title-white.jpg") repeat-x scroll center top #EFEFEF;
  border-bottom: 1px solid #CCCCCC;
  color: #333333;
  font-size: 12px;
  font-weight: 700;
  margin: -10px -10px 10px;
  padding: 5px 10px;
text-align:left;
}
.widgetcontainer ul, .widgetcontainer .xoxo, .widgetcontainer ol {
  list-style: disc outside none;
  margin: 0 0 0 15px;
  padding: 0;
  text-align:left;
}
.posts-default .entry-title {
  font-size: 14px;
  font-weight: 700;
  text-align:left;
}
.posts-default .entry-summary, .posts-quick .entry-summary {
  color: #333333;
  text-align:left;
}
.posts-quick .entry-title {
  font-size: 16px;
  font-weight: 700;
  text-align:left;
}
.home-title {
  border-bottom: 1px solid #DDDDDD;
  color: #333333;
  font-size: 14px;
  font-weight: 700;
  margin: 0 15px 10px 0;
  padding: 0 3px 8px;
  text-transform: uppercase;
  text-align:left;
}