* {
    box-sizing: border-box;
}
body {
    margin: 0;
}

.section-bg {
    background-color: #fff;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
.section-title a {
    font-size: 25px;
    line-height: 35px;
    color: #17d8e2;
    text-decoration: none;
    text-shadow: 1px 1px black;
}
.section-footer,
.section_header {
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin: 20px auto;
    width: 100%;
    padding: 0 15px;

}
.text-center {
    text-align: center;
}
.oval {
    width: 50px;
    height: 50px;
    background-color: #cccccc;
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.75);
    border-radius: 50%;
    margin: 0 10px;
}
.oval.active {
    background-color: green;
}
.content-wrap {
    width: 100%;
    padding: 0 15px;
    max-width: 768px;
    margin: 0 auto;
}
.section-content{
    max-width: 500px;
    width: 100%;
    height: 300px;
    background-color: #ccc;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    font-weight: 600;
}
.red-oval-btn {
    width: 70px;
    height: 70px;
    background-color: red;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.75);
    border-radius: 50%;
    margin: 0 10px;
    color: #fff;
}
.transparent-btn {
    background-color: transparent;
    border: 0;
    outline: none;
}