* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    background-color: #f7f7f7;
}

.card {
    margin-top: 25px;
}
button {
    margin-top: 25px;
}

.form-label {
    margin-top: 15px;
}

.counter {
    font-size: 12px;
}

.border-periodos {
    border: 1px solid lightgray;
    border-radius: 10px;
}

.navbar {
    justify-content: space-around;
    box-shadow: 0 1px 12px rgba(0,0,0,0.25);
}

form {
    margin-bottom: 30px;
}

.listaaprovados{
    font-size: larger;
    font-weight: 600;
}

.listaaprovados li{
    margin-bottom: 10px;
}

@media only screen and (max-width: 600px){
    .text-center h1 {
        font-size: 18px;
    }
}