grid.css

*{
    box-sizing: border-box;
}
.head{
    background-color: blue;
    text-align: center;
    color: antiquewhite;
    padding: 60px;
}
body{
    margin: 0;
}
.nav{
    display: flex;
    background-color: red;
}
.nav a{
    color: antiquewhite;
    padding: 16px 30px;
    text-align: center;
    text-decoration: none;
}
.row{
    display: flex;
    flex-wrap: wrap;
}
.left{
    flex: 30%;
    padding: 20px;
    background-color: aqua;
}
.right{
    flex: 70%;
    padding: 20px;
    background-color: blue;
}
.box{
    display: flex;
    /* width: 100%; */
}
.image{
    width: 100%;
    padding: 20px;
}
@media screen and (max-width:1000px) {
   .row{
       flex-direction: column;
   }
}
@media screen and (max-width:700px) {
    .box, .nav{
        flex-direction: column;
    }
    .box2{
        top:auto;
        margin-top: 30px;
    }
    .text{
    
        font-size: 40px;
    }
 }