body {
    display: flex;
    flex-direction: column;
    min-height: 95vh;
    align-items: center;
    text-align: center;
    font-size: 2rem;
    background-color: white;
    color: #252828;
}
main {
    display: flex;
    flex-direction: column;
    flex: 1 0 auto;
    max-width: 680px;
}
nav {
    margin: 1rem 0rem;
    font-size: 1rem;
    width: 100%;
    background-color: #6a737397;
    text-align: start;
}
.btn_main {
    border-radius: 10px;
    padding: 0.6rem 0.6rem;
    color: #4b4f4f;
    text-decoration: none;
    font-size: 1.5rem;
}
.clrForm {
    border: 1px solid grey;
    margin-bottom: 1rem;
    align-self: center;
}
.clrForm:hover {
    background-color: #F38C8F;
    text-decoration: underline;
}

a:link, a:visited {
    background-color: #8CF3F0;
    border-radius: 10px;
    padding: 0.6rem 0.6rem;
    color: #4b4f4f;
    text-decoration: none;
}
a:hover {
    background-color: #F38C8F;
    text-decoration: underline;
}
a.current {
    background-color: #CDB7E6;
    text-decoration:none;
}
input.checkbox:hover {
    -moz-appearance: none;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("./images/Checkmark.png");
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #F38C8F;
    border: 1px solid grey;
    border-radius: 2px;
    
}
input.checkbox:checked {
    -moz-appearance: none;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("./images/Checkmark.png");
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    background-color:#CDB7E6;
    border: 1px solid grey;
    border-radius: 2px;

}
input {
    background-color:#d6fffe ;
    width: 12rem;
    height:3rem;
    margin-top: 0.4rem;
    font-size: 3rem;
}
input.grade:focus {
    outline: #F38C8F solid 0.15rem;
}
input.grade:disabled {
    background-color: #6a737346;
}
select {
    font-size: 2rem;
    padding: 1rem;
}

h1 {
    font-size: 3rem;
    margin: 0;
    color: #6a737397;
}
h2 {
    font-size: 1.3rem;
    font-weight: 100;
    margin: 0;
    font-style: oblique;
}
h3 {
    font-size: 1rem;
    max-width: 40rem;
}
footer {
    font-size: 13px;
    font-style: italic;
    margin-top: 1rem;
}
.error {
    display:none;
    color: #ed6d71;
    font-size: 2rem;
}
.description {
    font-size: 1.2rem;
}
.output {
    border: 1px solid grey;
    border-radius: 15px;
    background-color: #f38c8f6c;
    margin-top: 1rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    max-width: 35rem;
    align-self: center;
    display: none;
}