html
{
    background-color: black; 
    text-align: center; 
    color: white;
    min-height: 100%;
    width: 100%;
    background-image: linear-gradient(45deg, black, black, DarkSlateGray,black,black,black, black, midnightBlue, black);
    background-image: url("/picture/darkbokeh.png");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    transition: all 1000ms ease-in-out;
}
body
{
    width: 100%;
    transition: background-color .5s;
    margin: 0px;
}
h1{
    background-color: white;
    background-color: rgba(250,250,250,0.3);
    color:black;
    transition: all 1000ms ease;
    margin: 10px auto;
    width: 500px;
    padding: 15px 0;
    box-shadow: 0 0 5px 0 rgba(0,0,0,.25) inset, 0 5px 10px 5px rgba(0,0,0,.25);
}
img{
    display: block;
    margin-left: auto;
    margin-right: auto;
    width:300px;
    max-width: 40%;
    height: auto;
}
.aa
{
    margin:3px auto;
    font: bold 15px Arial;
    color: black;
    
    padding: 7px;
    width: 180px;
    background-color: white;
    background-color: rgba(250,250,250,0.3);
    border-radius: 25px;

    box-shadow: 0 1px 6px rgba(32, 33, 36, 0.28);

    outline: none;
    text-decoration: none;
    display:block;
    transition: all 250ms ease;
}
.aa:hover
{
    width: 240px;
    
}
p
{
    color: white;
}

Button.secreteButton
{
    background: none;
    color: black;
    border: none;
    font-size: 32px;
    margin: 0;
    font-weight: bold;
    outline: none;
    font-family: none;
    padding: 0px;
    transition: background-color, border-radius 450ms;
}
a
{
    color: inherit;
}
.secreteButton:hover
{
    background-color: lightblue;
    border-radius: 10px;
}

Button.modeButton
{
    cursor: pointer;
    outline: none;
    border: none;
    float: right;
    background: none;
    color: white;
    width: 128px;
    padding: 5px;

}


Button.modeButton::after
{
    content: '';
    display: block;
    margin-left: auto;
    margin-right: auto;
    background-color: red;
    border-radius: 50px;
    width: 5%;
    height: 3px;
    left: 0px;
    bottom: 0px;
    z-index: -1;
    transition: all 0.25s ease;
    left: 50%;
}

Button.modeButton:hover::after
{
    width: 100%;
}

.sidenav {
    height: 100%;
    width: 0px;
    position: fixed;
    z-index: 10;
    top: 0;
    left: 0;
    background-color: #111;
    background-image: url("https://images.unsplash.com/photo-1548813003-d50fb96e5499?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=802&q=80");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 60px;
}

.sidenav a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 20px;
    color: white;
    display: block;
    transition: 0.3s;
}

.sidenav a:hover {
    color: tomato;
}

.sidenav .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
    margin-left: 50px;
}
.closebtn
{
    opacity: 0;
}
.selected
{
    background-color: white;
    color: black !important;
}

#main {
    transition: margin-left .5s;
    padding: 16px;
}

#block
{
    top: 0;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
    z-index: 5;
    width: 100%;
    height: 100%;
    position: absolute;
    background-color: rgba(0, 0, 0, 0.5);
    visibility: hidden;
    opacity: 0;
    transition: 250ms all ease-in-out;
}

.texting
{
    border-radius: 9px;
    padding: 10px;
    margin: 15px;
    background-color: rgba(0, 0, 0, 0.25);
    width: 650px;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
    /*box-shadow: 0 0 5px 0 rgba(0,0,0,.25) inset, 0 5px 10px 5px rgba(0,0,0,.25);*/
    box-shadow: 0 1px 6px rgba(32, 33, 36, 0.28);
    transition: background-color 1000ms ease;
}

.header
{
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    border-bottom: white 2px solid;
    padding: 5px;
}

@media screen and (max-height: 450px) {
    .sidenav {padding-top: 15px;}
    .sidenav a {font-size: 18px;}
}

@media only screen and (max-width: 600px) 
{
    h1
    {
        font-size: larger;
        width: 95%;
    }
    button.secreteButton
    {
        font-size: large;
    }
    
}
@media only screen and (max-width: 700px)
{
    .texting
    {
        width: auto;
    }
}