<style>
.header{
    position:fixed;
    width:100%;
    height:60px;
    padding:10px;
    background:#2980b9;
    margin-top:-140px;
    margin-left:-10px;
    z-index:9999;
    margin-bottom:50px;
    }
.menu{
    width:1000px;
    height:350px;
    border-radius:10px;
    background-color:rgba(255,255,255,1);
    border:solid 1px #999; 
    margin-top:80px;
    }
#logo{
    width:150px;
    height:150px;
    background:rgba(204,204,204,0.4);
    border-radius:100px;
    margin-left:140px;
    margin-top:20px;
    margin-right:0px;
    float:left;
    position:relative;
    transition:all ease-in-out 0.5s;
    }
#logo:hover{
    display:block;
    background:rgba(153,153,153,1);
    }
.logo{
    width:60px;height:60px;position:absolute;
    transition:all ease-in-out 1s;
    }
.logo:hover{
    transform:rotate(360deg);
    }
.btn-warning{
    color:#fff;
    background-color:#f0ad4e;
    border-color:#eea236;
    transition:all ease-in-out 0.15s;
    float:right;
     margin-right:50px;
     font-size:18px;
      text-decoration:none;
      border-radius:2px;
      margin-top:-75px;
       padding:4px;
       z-index:99999;
       position:relative;
       width:60px;
}
.btn-warning:hover{
    background-color:rgba(255,204,102,1);
}
a{
    color:#006699;
    font-family:Calibri;
    }

body {
     margin: 0;
     padding: 0;
     text-align: center;
}
.bg {
     width: 100%;
     height: 100%;
     position: fixed;
     z-index: 1;
     float: left;
     left: 0;
}
.content {
     width: 80%;
     height: auto;
     margin: 0 auto;
     position: relative;
     z-index: 5;
     /*background: #fff; */
     padding: 30px;
     text-align: left;
}

</style>
