.tarefas {
    padding: 10px;
    margin-bottom: 15px;
    border: 1px;
}

#t1 {
    background-color: red;
}

#t2 {
    background-color: blue;
}

#t3 {
    background-color: green;
}

#t4 {
    background-color: purple;
}

#t5 {
    background-color: yellow;
    margin-bottom: 0px;
}