body {
    height: 880px;
    /* background-color: papayawhip; */
    margin: 0px;
    background-image: url("images/天空1.jpg");
    background-repeat: no-repeat;
    background-size: cover;
}

/* LOGO */
.box1 {
    text-align: left;
    position: absolute;
    top: 30px;
    left: 10px;
    user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-user-select: none;
}
.upper {
    color: rgb(255, 115, 0);
    font-weight: bolder;
    font-family: sans-serif;
    font-size: 45px;
    letter-spacing: -10px;
}
.lower {
    color: rgb(255, 183, 124);
    font-family: sans-serif;
    font-size: 45px; 
    letter-spacing: -5px;
}

/* 横向菜单栏 */
.menu {
    width: auto;
    height: 50px;
    background-color: rgb(255, 183, 124);
    margin-top: 100px;
}
ul {
    width: auto;
    list-style-type: none;
    white-space: nowrap;
    padding: 0;
}
.menu li {
    float: left;
}
.menu li#self {
    margin: 0 0 0 979px;
}
.menu li a {
    color: white;
    text-decoration-line: none;
    display: block;
    padding: 14px 40px 15px 70px;
}
.menu li a:hover {
    background-color: rgba(248, 148, 66, 0.7);
}
.menu ul li a#firstPage {
    background-image: url("icons/首页.png");
    background-repeat: no-repeat;
    background-size: 12%;
    background-position: 35px 16px;
    
}
.menu ul li a#my {
    background-image: url("icons/管理员.png");
    background-repeat: no-repeat;
    background-size: 12%;
    background-position: 35px 16px;
}

/* 头像及账号资料 */
.background {
    width: 700px;
    height: 200px;
    background-color: white;
    margin: 50px 0 0 280px;
    position: absolute;
    border-radius: 2px;
}
.background .pic {
    width: 128px;
    height: 128px;
    position: relative;
    top: 36px;
    left: 30px;
    /* background-color: yellow; */
}
.background .pic a {
    background-image: url("icons/管理员头像.png");
    background-repeat: no-repeat;
    background-size: 100%;
    border-radius: 2px;
    display: block;
    padding: 64px;

}
.background .backgroundText {
    width: 200px;
    height: auto;
    position: relative;
    top: -100px;
    left: 308px;
    /* background-color: yellow; */
}
.background .logout input {
    width: 90px;
    height: 30px;
    border-style: none;
    border-radius: 2px;
    color: white;
    background-color: red;
    outline: none;
    position: relative;
    top: -135px;
    left: 550px;
}
.background .logout input:hover {
    transform: translate(0,-1px);
    -ms-transform: translate(0,-1px);
    -webkit-transform: translate(0,-1px);
    -o-transform: translate(0,-1px);
    -moz-transform: translate(0,-1px);
    box-shadow: 3px 3px 3px rgba(192, 192, 192, 0.801);
}
.background .logout input:active {
    background-color: rgba(255, 55, 55, 0.781);
}
.background:hover {
    transform: translate(0,-1px);
    -ms-transform: translate(0,-1px);
    -webkit-transform: translate(0,-1px);
    -o-transform: translate(0,-1px);
    -moz-transform: translate(0,-1px);
    box-shadow: 10px 10px 5px rgba(90, 90, 90, 0.3);
}

/* 消息块 */
.messages {
    width: 400px;
    height: auto;
    background-color: white;
    position: absolute;
    top: 420px;
    left: 280px;
}
.messages:hover {
    transform: translate(0,-1px);
    -ms-transform: translate(0,-1px);
    -webkit-transform: translate(0,-1px);
    -o-transform: translate(0,-1px);
    -moz-transform: translate(0,-1px);
    box-shadow: 10px 10px 5px rgb(90, 90, 90, 0.3);
}
.messages h2 {
    /* background-color: yellow; */
    padding: 0 0 0 20px;
}
.messages div {
    width: 180px;
    height: 140px;
    border-top: 1px rgb(224, 224, 224) solid;
    float: left;
    margin: 5px 5px 10px 12px;
    color: black;
    /* background: linear-gradient(left,rgb(248, 235, 233),rgba(245, 239, 230, 0.897));
    background: -webkit-linear-gradient(left,rgb(248, 235, 233),rgba(245, 239, 230, 0.897));
    background: -o-linear-gradient(left,rgb(248, 235, 233),rgba(245, 239, 230, 0.897));
    background: -moz-linear-gradient(left,rgb(248, 235, 233),rgba(245, 239, 230, 0.897)); */
}
.messages div h5 {
    margin: 2px 0 0 0;
    padding: 0 0 0 10px;
    /* background-color: yellow; */
}
.messages div p {
    width: 170px;
    height: 105px;
    padding: 0 0 0 10px;
    /* background-color: rgb(255, 183, 124); */
}

/* 修改密码 */
.modify {
    width: 280px;
    height: 383px;
    background-color: white;
    position: absolute;
    top: 420px;
    left: 700px;
}
.modify:hover {
    transform: translate(0,-1px);
    -ms-transform: translate(0,-1px);
    -webkit-transform: translate(0,-1px);
    -o-transform: translate(0,-1px);
    -moz-transform: translate(0,-1px);
    box-shadow: 10px 10px 5px rgb(90, 90, 90, 0.3);
}
.modify h2 {
    padding: 0 0 0 20px;
}
.modify form input {
    position: relative;
    top: 25px;
    left: 40px;
    border: 1px rgb(224, 224, 224) solid;
    border-radius: 25px;
    text-align: center;
    outline: none;
    font-size: 16px;
}
.modify form input#new {
    margin-top: 30px;
}
.modify form input#submit {
    margin-top: 20px;
    margin-left: 80px;
    width: 40px;
    height: 40px;
    color: white;
    background-color: rgb(255, 115, 0);
    border: none;
}
.modify form input#submit:hover {
    transform: translate(0,-1px);
    -ms-transform: translate(0,-1px);
    -webkit-transform: translate(0,-1px);
    -o-transform: translate(0,-1px);
    -moz-transform: translate(0,-1px);
    box-shadow: 3px 3px 3px rgba(192, 192, 192, 0.801);
}
.modify form input#submit:active {
    background-color: rgba(255, 115, 0, 0.3);
}