.content-post {
    padding-top: 50px;
}

.btn-theme {
    display: flex;
    justify-content: center;
    align-items: center;
    width: max-content;
    min-width: 300px;
    padding-left: 45rem;
    padding-right: 45rem;
    height: 102.3rem;
    background-color: #0047FE;
    border-radius: 10px;
    line-height: 1;
    font-size: 33rem;
    color: #fff;
}
.case-footer {
    font-size: 47.5rem;
    font-family: "Roboto Flex", sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 40rem;
}
@media screen and (max-width: 575px) {
    .btn-theme {
        font-size: 20px;
        width: 100%;
    }
    .case-footer {
        font-size: 20.5rem;
    }
}