body { background-color: #ededee;
    display: block;}
    
    .explain { display: block; 
    background-color:rgb(231, 153, 52);
    border: 3px solid black;
    width: 70%;
    text-align: center;
    font-size: 25px;
    margin: 20px 0 0 0;
    padding: 15px;
    height: 150px;}
    
    .web { 
    
        display: inline-table;
        align-items: baseline ;
        background-color: rgb(4, 190, 4) ;
        border: 2px solid black;
        padding: 15px; 
        width: 40% ;
        text-align: center;
        margin-top: 30px;
        margin-bottom: 20px;
        margin-right: 20px;
        margin-left: 50px;
    }
    .form__submit {
        float: right;
        margin-top: 10px; }

        button, input, optgroup, select, textarea {
            color: inherit;
            font: inherit;
            margin: 0;
        }