*{
    box-sizing: border-box;
}
body{
    width: 960px;
    margin: auto;
}
header{
    background: lightblue;
    padding: 10px;

}
h1 {
    text-align: center;
}
.container{
    display: grid;
    grid-template-columns: 1.4fr 1.2fr;
    grid-template-rows: 400px;
    grid-column-gap:5em;
    margin: auto;
    height:50%;
    width:100%;
    
}
h2{
    background: lightgray;
    padding: 10px;
}
h3{
    float: left;
    color: #ffffff;
    background: goldenrod;
    margin-left: 40px;
    padding: 5px 20px 5px 20px;
}
h4{
    float: right;
    color: #ffffff;
    background: red;
    margin-right: 40px;
    padding: 5px 20px 5px 20px;
}
.Box-l,
.Box-r{
    border: 2px solid rgba(0, 0, 0, 0.8);
    padding: 0;
    height: 300px;
    
    
}
.button{
    padding: 30px;
}
footer{
    background: lightblue;
    padding: 10px;
}
.row,
.underscore,
.rightGuess,
.wrongGuess {
    width: 100%;
    height: 100px;
    border: 1px solid black;
    text-align: center;
    margin: auto;
}

.underscore,
.rightGuess,
.wrongGuess {
    padding-top: 30px;
}

.underscore {
    background: yellowgreen;
}