body{
    margin: 0px;
    padding: 0px;
    font-size: 12px;
    box-sizing: border-box;
    
}
h1{
    font-size: 14px;
}
.principal{
    width: 80%;
    height: 100%;
    background-color: rgb(70, 187, 226);
    position: absolute;
    margin: auto;
    left: 10%;
}

.contenedor1{
    position: absolute;
    text-align:left;
    background-color: rgb(39, 203, 143);
    width: 30%;
    height: 33%;
    top: 10%;
    left: 15%;
    
}
.contenedor2{
    position: absolute;
    margin: auto;
    text-align: left;
    background-color: rgb(89, 149, 219);
    width: 30%;
    height: 33%;
    top: 50%;
    left: 50%;
    transform: rotate(20deg);
}

.contenedor3{
    position: absolute;
    margin: auto;
    text-align: left;
    background-color: rgb(17, 114, 116);
    width: 30%;
    height: 33%;
    top: 30%;
    left: 35%;
    opacity: .7;
}
img{
    width: 35%;
    height: 30%;
}