body,
html {
    margin: 0;
    height: 100%;
}

body {
    background-image: url(../img/Background_1.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-color: #f4F4F4;
    color: black;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 1.3em;
}

h1 {
    font-family: 'Black Han Sans', sans-serif;
    font-weight: 400;
    font-style: normal;
    line-height: 1.2em;
    font-size: 3em;
    margin-top: 0.5em;
    margin-bottom: 0;
}


#mainContainer {
    display: flex;
    flex-direction: row;
    align-items: center;
    width: 100%;
    height: 90%;
    /* background-color: green; */
}

#subContainerOne {
    display: flex;
    flex-direction: column;
    width: 20%;
    height: 100%;
    margin-left: 6em;
    margin-top: 0;
    border-width: 0px 0px 0px 3px;
    border-style: solid;
    border-image: linear-gradient(180deg, black 0%, white 100%) 1;
    /* background-color: blue; */
}

#mainNavBar {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    height: 10%;
    width: 100%;
    margin: 2em 0em 0em 0em;
    /* background-color: pink; */
}

#mainNavBar .aboutUs {
    text-decoration: none;
    align-self: center;
    padding-left: 2em;
    color: black;
}

#mainNavBar .aboutUs:hover {
    text-decoration: underline;
    font-weight: 700;
}

#logo {
    height: 100%;
    /* width: 100%; */
}

#subContainerA {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 90%;
    width: 100%;
    padding-left: 1.5em;
    /* background-color: blueviolet; */
}

.subContainerADiv {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 20%;
    width: 100%;
    padding-bottom: 1.5em;
    /* background-color: aqua; */
}

#subContainerTwo {
    background-image: url(../img/Aurora.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    /* align-self: center; */
    width: 80%;
    height: 100%;
    /* background-color: red; */
}

#subContainerTwo div {
    background-image: url(../img/Sphere.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-color: black;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    align-self: center;
    width: 720px;
    height: 720px;
    /* background-color: darkolivegreen; */
    margin-left: 0%;
    margin-right: 22.4%;
    margin-bottom: 1.5%;
    border-radius: 50%;
    padding: 0%;
    box-shadow: 0 0 0px rgba(255, 255, 255, 1), 0 0 20px rgba(255, 255, 255, 1), 0 0 40px rgba(255, 255, 255, 1), 0 0 60px rgba(255, 255, 255, 1),
        0 0 80px rgba(255, 255, 255, 1), 0 0 160px rgba(255, 255, 255, 1), 0 0 240px rgba(255, 255, 255, 1), 0 0 420px rgba(255, 255, 255, 1);
    transition: 0.5s;
}

#subContainerTwo:hover div {
    box-shadow: 0 0 0 30px rgba(255, 255, 255, .1), 0 0 0 60px rgba(255, 255, 255, .1), 0 0 0 120px rgba(255, 255, 255, .1), 0 0 0 180px rgba(255, 255, 255, .1),
        0 0 0 240px rgba(255, 255, 255, .1), 0 0 0 360px rgba(255, 255, 255, .1), 0 0 0 480px rgba(255, 255, 255, .1), 0 0 0 720px rgba(255, 255, 255, .1);

}

.button {
    font-family: 'Black Han Sans', sans-serif;
    font-weight: 400;
    font-style: normal;
    line-height: 0.9em;
    font-size: 7em;
    padding-bottom: 0.8em;
    text-decoration: none;
    color: white;
}

#subContainerTwo:hover .button {
    transition: 0.5s;
    color: white;
    text-shadow: 0 0 10px #D3BF56, 0 0 20px #D3BF56, 0 0 40px #D3BF56;
}