body {
    background-repeat: no-repeat;
    background-size: 100% 855px;
}

h1 {
    text-align: center;
    position: relative;
    top: 60px;
}

textarea {
    position: absolute;
    left: 300px;
    top: 150px;
    font-size: 20px;
    ;
}

#text {
    width: 900px;
    height: 100px;
    position: absolute;
    top: 140px;
    left: 305px;
    text-align: start;
}

.input3 {
    position: absolute;
    top: 260px;
    left: 695px;
}

#btn {
    position: absolute;
    top: 260px;
    left: 740px;
}

#lis {
    width: 70%;
    height: 300px;
    position: absolute;
    top: 300px;
    background-color: azure;
    left: 240px;
}

.foot {
    width: 100%;
    height: 60px;
    text-align: center;
    position: absolute;
    bottom: 0px;
}