body{
    width: 50%;
    background-image:url(../images/方块.jpg);
    line-height: 2em;
    background-size: 25%;
}

header,footer,.dropdown-content{
    background-image: url(../images/渐变无.jpg);
    background-size: 100%;
}

footer{
    line-height: 1.2em;
}

.ma{
    background-color: rgba(153, 153, 153, 0.8);
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 10px;
}

.pic{
    max-width: 30%;
}

.tup{
    max-width: 100%;
    text-align: center;
}

a:link, a:hover, a:visited {
    text-decoration: none;}

a:link {
    color: rgb(251, 163, 39);
    border-bottom: thin dotted #c1c1c1;
}

a:hover{
    color: #000000;
    font-weight: bold;
}

a:visited{
    color: green;
}

.poem{
    background-color: #efe5d0;
    padding: 25px;
    padding-left: 80px;
    padding-right: 80px;
    padding-bottom: 10px;
    color: #444;
    line-height: 2.0em;
    border-radius: 20px;
}

.end{
    text-align: right;
    padding: 0px;
}

.add{
    font-weight: bolder;
    font-size: large;
}

[data-tips]{
    line-height: 1.5em;
}

@media only screen and (max-width:800px){
    body {
        width: 95%;
        margin: 10px auto;
        line-height: 2.9em;
    }
    .container{
        display: block;
    }
}
@media only screen and (max-width: 600px) {
 
    nav {
    margin-top:1px;
    }
    nav ul{
    flex-flow: column;
    }
    nav li:nth-child(n+2){
    border-left-style: none;
    border-top: 1px solid rgba(255,255,255,.7);
    }
   }
    

    
   @media only screen and (min-width: 600px) {}
    
    
   @media only screen and (min-width: 768px) {}
    

    
   @media only screen and (min-width: 992px) {}
    
    
   @media only screen and (min-width: 1200px) {

   }
   @media only screen and (max-width: 600px) {
    ul#album{
        grid-template-columns: auto;
       }

       .last{
        grid-template-columns: auto 300px auto;
    }
}


@media only screen and (min-width: 600px) {
    ul#album li{
        flex-basis: calc(100% / 2 - 10px);
       }
}


@media only screen and (min-width: 768px) {
   ul#album li{
    flex-basis: calc(100% / 2 - 10px);
   }
   
}


@media only screen and (min-width: 992px) {
    ul#album li{
        flex-basis: calc(100% / 3 - 20px);
       }
   
}


@media only screen and (min-width: 1200px) {}