StylingTodo.css

body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(80deg, #ffb4b4, #ffd0cf, #ffedec);
    /* font-family: Poppins, sans-serif; */
    font-family: Georgia, 'Times New Roman', Times, serif;
}

#container {
    text-align: center;
    color: white;
    width: 800px;
    height: 700px;
    padding-left: 350px;
    padding-top: 50px;
}

input {
    outline: none;
}

#input-container input {
    height: 40px;
}

#input-container input[type="text"] {
    height: 40px;
    width: 250px;
}

#ToDo {
    line-height: 35px;
}

.task {
    background-color: rgba(31, 216, 179, 0.801);
    outline: none;
    margin-top: 20px;
}

#input-icon {
    display: inline;
}

.task input {
    /* width: 10px; */
    height: 2rem;
}

.task>input[type="text"] {
    width: 14.3rem;
}

#output-container {
    width: 20rem;
    /* margin-left: 15rem; */
    margin: 2rem 2rem 2rem 15rem;
    /*  style="width:20rem; padding:0; margin:2rem; " */
}