html{
    background-color: #ededed;
}

header{
    padding: 0 30px;
    display: flex;
    height: 60px;
    background-color: white;
    align-items: center;
    padding: 10px;
    box-shadow: 0px 5px 5px rgba(0,0,0,0.3);
}

header a{
    text-decoration: none;
    cursor: pointer;
    color: #006da8;
    font-weight: bold;
}

header nav{
    margin-left: auto;
}
header ul{
    list-style: none;
    display: flex;
    margin-right: 20px;
}
header ul li{
    font-size: large;
    margin-bottom: 0;
    margin-right: 20px;
}

.top{
    margin-left: 10px;
}

#gradeClass{
    float: right;
    width: 150px;
    height: 50px;
    margin-right: 20px;
    background-color: #5c9cd8;
    color: #ededed;
    font-size: large;
    font-weight: 700;
    padding: 10px;
    margin-bottom: 0px;
    border-radius: 0px;
    border-width: 0 0 3px 0;
    border-bottom: 3px solid #006da8;
    box-shadow: 2px 3px 3px rgba(0,0,0,0.5);
}

#gradeClass option{
    background-color: #ededed;
    height: 50px;
    font-size: x-large;
    font-weight: 400;
    color: #006da8;
    border-width: 0;
}


p{
    color: #2b546a;
}

main{
    margin-top: 20px;
    margin-left: 30px;
    margin-right: 30px;
    padding: 20px;
    padding-left: 50px;
    box-shadow: 0px 15px 15px rgba(0,0,0,0.5);
    backdrop-filter: blur(20px);
    background-color: rgba(255,255,255,0.6);
}

#pleaseSelect{
    text-align: center;
}