.thm, .theorem, .definition, .lemma, .proposition, .corollary, .ex{
border-radius:5px;
background:hsla(45,46%,95%,.6);
-webkit-box-shadow:1px 1px 2px rgba(0,0,0,.125);
box-shadow:1px 1px 2px rgba(0,0,0,.125);
width:80%;
margin-left:auto;
margin-right:auto;
padding:1px 20px 1px 20px;
}
.lemma:before {
content: "Lemma. ";
font-weight: bold;
font-style: normal;
}
.lemma[text]:before {
content: "Lemma (" attr(text) ") ";
}
.post table {margin-left:auto; margin-right:auto;}