.h1-line {
    border-top: double 3px #aebebb;
    border-bottom: solid 1px #aebebb;
    padding: 16px;
    font-weight: 400;
    max-width: 500px;
    text-align: center;
    margin: 2em auto;
    font-weight: 500;
}

@media (max-width: 480px) {
    .h1-line {
        font-size: 1.5rem;
    }
}

.btn-area .outline-btn {
    margin-top: 30px;
}

h3 {
    margin-top: 50px;
}