body {
margin-left: auto;
margin-right: auto;
text-align: center;
background-color: blue;
}
#containar {
width: 750px;
background-color: yellow;
margin-left: auto;
margin-right: auto;
text-align: left;
position: relative;
}

h1,hr {
display: none;
}

h2,h3,h4,h5,p,address,em,ul {
margin: 0px;
font-style: normal;
font-size: 100%;
font-weight: 100;
list-style: none;
}