.stretch {
    width: 100%;
    height: 100%;
}

.line0 {
    width: 100%;
    height: 20px;
    background-color: transparent;
}

.block0 {
    width: 100%;
    height: 300px;
    background-color: deeppink;
    /*border: 3px solid black;*/
}


.g-line-0 {
    width: 99%;
    float: left;
}

.g-block-0 {
    width: 99%;
    float: left;
}