.contrato {
    float:left;
    border: 1px solid #ccc;
    padding: 5px;
    margin-right: 5px;
    margin-top: 5px;
    border-radius: 5px;
    width:calc(100% - 20px);
    max-width:300px;
}
.contrato .titulo {
    font-size:1em;
    font-weight:bold;
    margin-top: 0;
    text-align:center;
}
.contrato p{
    margin-top:10px;
    margin-bottom:10px;
}
.Interesse { background-color: lightblue; }
.Ativo { background-color: lightgreen; }
.Encerrado { background-color: lightcoral; }
.acoes a { margin-right: 10px; }
        
@media (max-width: 600px) {
    .contrato {float:inherit;margin-right:auto;margin-left:auto;}
}
@media (max-width: 1000px) {
}

@media (min-width: 600px) {
}

@media (min-width: 1000px) {
}