.container{
    display: flex;
}
.left, .right{
    width: 50%;
    margin: 15px;
    background-color: pink;
    min-height: 300px;
}
.right{
    line-height: 300px;
}
#view{
    text-align: center;
    font-size: 5em;
    color: blue;/*tuong tu voi mau trong input type=color*/
    font-weight: bold;
}
fieldset{
    border: 1px solid green;
    font-size: 1.2em;
}
ol li{
    line-height: 30px;
    padding-left: 20px;
    background-color: aquamarine;
}
ol li:nth-child(odd){
    background-color: blanchedalmond;
}
.shadow{
    text-shadow: 7px 7px 5px gray;
}