.buto {    
    color: #1b5fc3;
    padding: 3px;
    border: 1px solid ;
    width: 146px;
    height: 15px;
    margin-top: 5px;
    margin-bottom: 5px;
}

.vuto {
    margin: auto;
    border: 1px solid;
    color: #1b5fc3;
    text-align: center;
    font-family: "Arial";
    font-size: 9pt;
    font-weight: bold; 
    text-decoration: none;
    height: 23px;
    width: 28px;
    margin-bottom: 5px;
    margin-bottom: 5px;
 }

.vuto2 {
    
    margin: auto;
    border: 1px solid;
    color: #1b5fc3;
    text-align: center;
    font-family: "Arial";
    font-size: 9pt;
    font-weight: bold; 
    text-decoration: none;
    height: 23px;
    width: 48px;
    margin-bottom: 5px;
    margin-bottom: 5px;
 }