*{
    box-sizing: border-box;
}
body{
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.text-1{
    color:red;
}
.text-2{
    color: rgb(0, 100,0);
}
.text-3{
    color:#0000FF;
    font-weight: bold;
}
.text-4{
    font-size: 18px;
}
.text-5{
    font-size: 24px;
    font-style: italic;
}
.text-6{
    color: white;
    background-color: brown;
}
.paragraph-1{
    line-height: 32px;
    text-align: center;
}
.paragraph-2{
    text-transform: uppercase;
    text-align: justify;
}
.box-1{
    width: 400px;
    height: 300px;
    border: solid 1px purple;
    padding: 30px;
}
.box-2{
    width: 500px;
    height: 200px;
    background-color:red;
    margin: 100px;
}
.box-3{
    display: none;
}
.box-4{
    width: 100%;
    height: 150px;
    background-color: blue;
    padding: 50px;
    border: solid 10px yellow;  
}
.box-5{
    color: white;
}
.box-6{
    width: 500px;
    height: 200px;
    background-color: green;
    opacity: 0.4;
}
.box-7{
    width: 400px;
    height: 500px;
    position:relative;
}
.paragraph-3{
    width: 400px;
    height: 300px;
    position: relative;
    background-color: lightblue;
}
.box-8{
    width: 50px;
    height: 50px;
    position: absolute;
    top: 50px;
    right: 100px;
    background-color: pink;
}
.button-1{
    font-size:30px;
    color:white;
    width: 300px;
    height: 100px;
    cursor: pointer;
    outline: none;
    border-radius: 20px;
    background-color:grey;
}
.button-1:active{
    color: blue;
    background-color: white;
}
.button-2{
    width: 200px;
    height: 50px;
}
.button-2:hover{
    background-color: brown;
}
.box-9{
    width: 200px;
    height: 500px;
    background-color: blue;
    margin-top: 200px;
    cursor: pointer;
}