body {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #606c71;
}

.page-header {
    box-sizing: border-box;
    display: block;
    color: #fff;
    text-align: center;
    background-color: #159957;
    background-image: linear-gradient(120deg, #155799, #159957);
    padding: 3rem 4rem;
}

.project-name {
    box-sizing: border-box;
    margin: 0.67em 0;
    margin-top: 0;
    margin-bottom: 0.1rem;
    font-size: 2.25rem;
}

.project-tag {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.5;
    color: #fff;
    text-align: center;
    box-sizing: border-box;
    margin-bottom: 2rem;
    font-weight: normal;
    opacity: 0.7;
    font-size: 1.15rem;
}

.btn {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.5;
    text-align: center;
    box-sizing: border-box;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    border-style: solid;
    border-width: 1px;
    border-radius: 0.3rem;
    transition: color 0.2s, background-color 0.2s, border-color 0.2s;
    padding: 0.6rem 0.9rem;
    font-size: 0.9rem;
}

.page-body {
    margin-top: 5%;
    margin-left: 10%;
    margin-right: 10%;
    margin-bottom: 5%;
}

#select-subject {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.5;
    box-sizing: border-box;
    font-size: 2em;
    margin: 0.67em 0;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: normal;
    color: #159957;
}

.page-body a {
    text-decoration: none;
}

.btn-sub {
    margin: 0.3rem;
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.5;
    text-align: center;
    box-sizing: border-box;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 1);
    background-image: linear-gradient(120deg, #155799, #159957);
    border-color: rgba(84, 252, 222, 0.2);
    border-style: solid;
    border-width: 1px;
    border-radius: 0.3rem;
    transition: color 0.2s, background-color 0.2s, border-color 0.2s;
    /* padding: 5rem 7rem; */
    height: 10rem;
    align-items: center;
    vertical-align: center;
    padding-top: 4rem;
    width: 20rem;
    font-size: 1.5rem;
}

.rec-links {
    margin: auto;
    display: block;
}