body{
    background: blue;
    background-color: grey;
    background-image: url(home_page.jpg);
    background-blend-mode:overlay;
    background-repeat:no-repeat;
    background-size: cover;
    /* background-size: auto; */
    /* background-size: contain; */
    /* background-size: inherit; */
    /* background-size: initial; */
    /* background-size: unset; */
    color:rgb(255, 255, 255);
}

body *{
    font-family: Ubuntu;
}

 h1,h2,h3,h4,h5{
     font-weight: normal;
     margin:0;
 }

 a, a:hover, a:visited{
     color: #fff;
     text-decoration: none;
 }

 .wrapper{

     max-width: 1080px;
     margin: 0 auto;
 }

 div.wrapper h1{
     
    text-align: center;
    margin: 100px auto;
    font-size: 2.2em;
}

header.write{
    background-color: brown;

}
header.read{
    background-color:green;

}
header.listen{
    background-color: blue;

}
header.speak{
    background-color:grey;

}

header{
    display:grid;
    grid-template-columns: repeat(5,1fr);
    padding: 50px;
}
 
nav{
    justify-self: end;
}

nav li{
    display: inline-block;
    margin-left: 30px;
}

nav button{
    background:none;
    color:white;
    cursor: pointer;
    border: 0;
    font-size: 1em;
}

.article-detail .article{
    padding:0;
}

.article-detail .article img{
    max-width: 100%
}

.article-detail .article h2{
    text-align: center;
    margin: 20px auto;
    font-size: 2em;
}

.article-detail .article p{
    text-align: center;
}

.content_list {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-gap: 30px;
}

.scroll{
    background-color: rgba(0, 0, 0, 0.5) ;
    height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 10px;
}

.i{
    padding: 10px;
    border: 1px solid yellow;
    position: relative;
    padding-bottom: 40px;
    font-size: 0.5em;
}

.i h2{
    font-size: 1.2em;
}

.content_list .i h3{
    font-size: 0.8em;
    padding:30 px;
    background:darkcyan;
    position: absolute;
    right:3px;
    bottom: 0;
    margin: 0;
    color: indigo;

}


a.highlight{
    border: 1px solid chartreuse;
    padding: 10px;
    border-radius: 8px; 
    color: chartreuse;
}

.helptext, .helptext ul{
    margin: 0 auto 20px;
    color: cornsilk;
    font-size: 0.8em;
    display: block;
}

.errorlist li{
    padding: 10px;
    list-style-type: none;
    border:1px solid orangered;
    color: orangered;
    margin:  10px 0;
}

.errorlist{
    padding: 0;
}

.site-form{
    margin-top: 40px;
    margin-bottom: 80px;
    border:1px solid chartreuse;
    padding: 20px;
}

.site-form input, .site-form textarea{
    display: block;
    flex-flow: column wrap;
    flex-direction: column-reverse;
    margin: 20px 0 0 0;
    padding: 10px;
}

.site-form input[type='submit']{
    background: aqua;
    border: 0;
    color: aliceblue;
    font-size: 1.2em;
    border-radius: 6px;
    margin: 10px 0;
}