.top, header{
    width: 100%;
    height: 30px;
    background-color: rgba(255, 255, 255, 0.853);
}
.flex-container, li, a{
    display: flex;
    width: 50%;
    height: 30px;
    margin-left: 20%;
    align-items: center;
    justify-content: space-between;
    color: hsl(0, 0%, 0%);
    justify-content: center;
    text-align: center;
    font-family: Georgia, 'Times New Roman', Times, serif;
    text-decoration: none;
    

}
.topf{
    width: 100%;
    height: 3px;
    background-color: #dadada69;
}

body{
    margin: 0px;
    background-color: #286a55;
}
.flex-container1{
    display: flex;
    width: 100%;
    height: 770px;
    margin-top: 4%;
    background-color: #286a55;
    align-items: center;
    justify-content: space-between;
    color: hsl(0, 0%, 0%);
    justify-content: center;
    text-align: center;
    font-family: Georgia, 'Times New Roman', Times, serif;
    text-decoration: none;
    

}
.flex-box{
    width: 550px;
    height: 800px;
    background-color: #2a705b3f;
    box-shadow: 80px #000000;
    border-radius: 50px;
    font-size: x-large;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 520;

}
.t2{
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: x-large;
}
.t3{
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: medium;
}