html,body{
    margin: 0;
    padding: 0;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

.logo{
    width: 150px;
}

.tbl_header{
    margin: 10px;
    width: 70%;
    margin-left: auto;
    margin-right: auto;
}

.tbl_header td{
    text-align: center;
    height: 70px;
    font-size: 20px;
}

.td_logo{
    width: 160px;
}

.fecha{
    text-align: right;
    padding: 60px 70px;
}
.tit_material{
    padding: 0px 70px;
}

.tbl_material{
    width: 90%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.description{
    width: 90%;
    margin-left: auto;
    margin-right: auto;
    margin-top: 60px;
	font-size: 15px;
}

.sign_container{
    overflow: auto;
}

.sign{
    padding: 30px 70px;
    float: right;
    margin-right: 150px;
	font-size: 15px;
}

.foot{
    width: 100%;
    text-align: center;
    font-size: 12px;
    border-top: 1px solid gray;
    margin-top: 25px;
}

.foot p{
    color: grey;
    margin: 2px;
}