Notes.css

body {
    padding: 0;
    margin: 0;
}

#head {
    display: flex;
    justify-content: space-between;
    background-color: black;
    height: 70px;
}

#head h1 {
    margin-left: 5%;
    color: white;
    font-family: 'Dancing Script', cursive;
    align-self: center;
    cursor: pointer;
    letter-spacing: 2.5px;
}

#headright {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-right: 5%;
    width: 550px;

}

#headright div {
    display: flex;
    width: 280px;
}

#headright input {
    padding: 5px 4px;
    border-radius: 5px;
    margin-right: 5%;
    outline: none;
}

#search {
    color: green;
    background-color: transparent;
    border: 2px solid green;
    text-decoration: none;
    padding: 3px 4px;
    border-radius: 5px;
}

#main {
    width: 60%;
    margin: auto;
}

#heading1 {
    font-weight: 500;
    margin: 15px 0px;
    font-size: 2.6rem;
    letter-spacing: 2px;
}

#heading2 {
    font-weight: bold;
    font-size: 25px;
    letter-spacing: 1.5px;
}

#addnote {
    border: 1.5px solid grey;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    padding-left: 1.5%;
    padding-right: 1%;
}

#addnote h4 {
    font-weight: 600;
    margin-bottom: 5px;
}

#addnote textarea {
    height: 95px;
    max-height: 170px;
    max-width: 990px;
}

#addnote a {
    color: white;
    background-color: rgb(40, 155, 238);
    text-decoration: none;
    width: 65px;
    padding: 5px 12px;
    border-radius: 5px;
    margin: 8px 0px;
}

#divlist {
    display: flex;
    margin: auto;
    flex-wrap: wrap;
    justify-content: left;
    border-radius: 5px;
}

.nt {
    width: 29%;
    height: fit-content;
    border-radius: 6px;
    border: 1.5px solid grey;
    padding: 15px;
    margin: 4px;
    overflow: auto;
    position: relative;
}

.img {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 20px;
    height: 20px;
}

.red {
    background-color: red;
}

.txt3 {
    color: white;
    background-color: rgb(40, 155, 238);
    padding: 5px 12px;
    border-radius: 5px;
    cursor: pointer;
}

#users {
    display: none;
    color: white;
    text-decoration: none;
    align-items: center;
    font-size: 1.1rem;
    letter-spacing: 1.9px;
    padding: 5px 12px;
    border: 2px solid white;
    margin: 14px 0px;
    border-radius: 5px;
    position: relative;
}

#users img {
    width: 15px;
    height: 15px;
    filter: invert(100%);
}

.create {
    display: flex;
    align-items: center;
    color: white;
    background-color: black;
    position: absolute;
    top: 100%;
    left: 0%;
    width: 100%;
    height: 100%;
    text-decoration: none;
    font-size: 0.9rem;
    border: 1px solid white;
}

#mode {
    width: 30px;
    height: 30px;
    filter: invert(100%);
}

@media (min-width:1100px) and (max-width:1615px) {
    #divlist {
        flex-direction: column;
    }

    .nt {
        width: 95%;
    }
}

@media (min-width:830px) and (max-width:1100px) {
    #main {
        width: 70%;
    }

    #divlist {
        flex-direction: column;
        justify-content: center;
    }

    .nt {
        width: 93%;
    }

    #users {
        display: none;
    }

    #search {
        display: none;
    }

    #input {
        margin-left: 112%;
    }
}

@media (min-width:700px) and (max-width:830px) {
    #main {
        width: 70%;
    }

    #headright {
        width: 380px;
    }

    #divlist {
        flex-direction: column;
        align-items: center;
    }

    .nt {
        width: 90%;
    }

    #users {
        display: none;
    }

    #search {
        display: none;
    }

    #input {
        margin-left: 60%;
    }
}

@media (min-width:500px) and (max-width:700px) {
    #main {
        width: 75%;
    }

    #headright {
        width: 240px;
    }

    #divlist {
        flex-direction: column;
        align-items: center;
    }

    .nt {
        width: 90%;
    }

    #users {
        display: none;
    }

    #search {
        display: none;
    }

    #input {
        margin-left: 40%;
        width: 65%;
    }

    #heading1 {
        font-size: 2rem;
    }
}

@media (min-width:300px) and (max-width:500px) {
    #main {
        width: 90%;
    }

    #headright {
        display: flex;
        justify-content: space-evenly;
        width: 100vw;
    }

    #divlist {
        flex-direction: column;
        align-items: center;
    }

    .nt {
        width: 85%;
    }

    #users {
        display: none;
    }

    #search {
        display: none;
    }

    #heading1 {
        font-size: 1.8rem;
    }

    #head {
        flex-direction: column;
        height: 110px;
    }

    #mode {
        position: absolute;
        top: 10px;
        right: 10px;
    }

    #input {
        margin: auto;
        margin-bottom: 6px;
        position: absolute;
        top: 70px;
        left: 50%;
        transform: translateX(-45%);
    }
}

@media (min-width:250px) and (max-width:300px) {
    #main {
        width: 92%;
    }

    #headright {
        display: flex;
        justify-content: space-evenly;
        width: 100vw;
    }

    #divlist {
        flex-direction: column;
        align-items: center;
    }

    .nt {
        width: 78%;
    }

    #users {
        display: none;
    }

    #search {
        display: none;
    }

    #heading1 {
        font-size: 1.6rem;
    }

    #heading2 {
        font-size: 1.2rem;
        letter-spacing: 3px;
    }

    #head {
        flex-direction: column;
        height: 110px;
    }

    #mode {
        position: absolute;
        top: 70px;
        right: 10px;
        width: 25px;
        height: 25px;
    }

    #input {
        margin: auto;
        margin-bottom: 6px;
        position: absolute;
        top: 70px;
        left: 50%;
        transform: translateX(-45%);
        width: 50%;
    }
}

@media (min-width:150px) and (max-width:250px) {
    #main {
        width: 96%;
    }

    #headright {
        display: flex;
        justify-content: space-evenly;
        width: 100vw;
    }

    #divlist {
        flex-direction: column;
        align-items: center;
    }

    .nt {
        width: 80%;
    }

    #users {
        display: none;
    }

    #search {
        display: none;
    }

    #heading1 {
        font-size: 1.8rem;
    }

    #head {
        flex-direction: column;
        height: 110px;
    }

    #head h1 {
        font-size: 1.5rem;
    }

    #mode {
        position: absolute;
        top: 70px;
        right: 10px;
        width: 25px;
        height: 25px;
    }

    #input {
        margin: auto;
        margin-bottom: 6px;
        position: absolute;
        top: 70px;
        left: 50%;
        transform: translateX(-45%);
        width: 44%;
    }
}