#mc_embed_signup {
  background:#fff;
  clear:left;
  font:14px Helvetica,Arial,sans-serif;
} 
.widget #mc_embed_signup input.email {
  width: 100% !important;
}
.widget #mc_embed_signup .button {
  background-color: #5870ED !important;
  width: 100% !important;
}
.widget #mc_embed_signup form {
  padding: 0 !important;
}