body{
    font-family: 'IBM Plex Sans', sans-serif;
    line-height: 1.25;
    margin:0rem;
    padding:0rem;
    display:flex;
    flex-direction: column;
    align-items: center;
 }
 code {
    font-family: 'IBM Plex Mono' sans-serif;
 }
 table {
    line-height: 1.5;
    width:100%;
 }

h1{
    font-weight: 150%;
    border-bottom: 1px solid;
    padding:.5rem;
}
h4{
    font-weight: 100%;
}

form label, form input, button {
    font-size: 125%;
}

nav a:hover{
    text-decoration: underline;
}
.numColR {
    text-align: right;
}
th {
    text-align: left;
}
.username {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    text-align: center;
}
.password {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    text-align: center;
}
.button {
    display:flex;
    justify-content: center;
}
.button button {
    width:30%;
}

.action-box {
    background-color: rgb(173, 188, 230);
    padding:10px;
    border:solid;
    gap:3rem;
    white-space: 30rem;
}
.action-box a{
    float:right;
}
main {
    max-width: 52rem;
    width:100%;
}

.navbardiv {
    display:flex;
    flex-direction: row;
    justify-content: space-between;
    width:100%;
    max-width: 50rem;
}

header {
    font-size: 1.25rem;
    
    box-shadow:0 0 5px gray;
    margin-bottom: 3rem;
    padding-left: 1rem;
    padding-right: 1rem;
    padding-top: .5rem;
    padding-bottom: .5rem;
    background-color: #ddd;
    width: 100%;

    display: flex;
    flex-direction:row;
    align-items: center;
    justify-content: center;
}

.firstsection {
    display: flex;
    flex-direction: row;
    align-items: center;

}
header strong {
    padding-right: 1rem;
}

header nav a {
    color:#444;
    font-weight: normal;
    text-decoration: none;
}
.login {
    display:flex;
    flex-direction: column;
    width:100%;
    align-content: center;
}

.username {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    padding-bottom: 1rem;
}
.password {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    padding-bottom: 1rem;
}

output {
    font-weight: bold;
    color:red;
}

input:invalid {
    border:2px solid red;
}