body{
    background-color: #f4f4f4;
    color: #555555;

    font-family: Arial, Tahoma, sans-serif;
    font-size: 12px;
    font-weight: normal;



    line-height:1.6em;
    margin: 0;

}
a{
    text-decoration: none;
    color:#000;
}
a:hover{
    color:red;
}
a:active{
    color:green;
}

.container{
    width: 80%;
    margin: auto;
}
.button{
    background-color:darkblue;
    color:white;
    padding:10px 15px;
    border:none;
}
.clr{
    clear: both;
}
.box-1{
    background-color: #333333;
    color:#f4f4f4;

    border: 5px red solid;
    border-width: 3px;

    padding: 20px;

    margin-top: 20px;
    margin:20px 0;
}
.box-1 h1{
    font-family:Tahoma;
    font-weight:800;
    font-style:italic;
    text-decoration: underline;
    text-transform:uppercase;
    letter-spacing: 0.2em;
    word-spacing:1em;
}
.box-2{
    border:3px dotted #cccccc;
    padding: 20px;
    margin: 20px 0;
}
.categories{
    border:1px #cccccc solid;
    padding:10px;
    border-radius:15px;

}
.categories h2{
    text-align: center;
}
.categories ul{
    padding:0;
    padding-left:20px;
    list-style:square;
    list-style:none;
}
.categories li{
    padding-bottom: 6px;
    border-bottom:dotted 1px #333333;
    list-style-image:url("../images/check.png");
}
.my-form{
    padding:20px;
}
.my-form.form-group{
    padding-bottom:15px;
}
.my-form label{
    display:block;
}
.my-form input[type="text"],.my-form textarea{
    padding:8px;
    width:100%;
}
.block{
    float:left;
    width:33.3%;
    border:1px solid #ccc;
    padding:10px;
    box-sizing: border-box;
}
#main-block{
    float:left;
    width:70%;
    background-color: green;
    color: #f4f4f4;
    padding:15px;
    padding-bottom: 22px;
    box-sizing: border-box;
}
#side-bar{
    float:right;
    width:30%;
    background-color: #333333;
    color:#f4f4f4;
    padding:15px;
    padding-bottom: 0px;
    box-sizing: border-box;

}
.p-box{
    width:800px;
    height:500px;
    border:1px solid #000000;
    margin-top: 30px;
    position: relative;
    background-image: url("../images/panorama.jpg");
    background-repeat: no-repeat;
    background-position: 100px 200px;
    background-position: center center;


}
.p-box h1{
    position: absolute;
    top:100px;
    left:200px;
}
.p-box h2{
    position: absolute;
    bottom: 40px;
    right:100px

}
.fix-me{
    position: fixed;
    top:400px;
}
.mylist li:first-child{
    background:red;
}
.mylist li:last-child{
    background: blue;
}
.mylist li:nth-child(5){
    background: yellow;
}
.mylist li:nth-child(even){
    background: grey;
}