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

body {
    background-color: #00000083;
    width: 100%;
    height: 100vh;
}

.container {
    display: flex;
    padding: 80px 40px;
   gap: 30px;
    flex-wrap: wrap;
}

.note {
    flex-basis: 23%;
    height: 400px;
    background-color: #fff;
    overflow: hidden;
}

.top {
    display: flex;
    justify-content: end;
    padding: 15px;
    gap: 10px;
    background-color: #2b2b21;
}

button {
    background-color: #0a0a0a;
    color: #fff;
    border: 0;
    outline: none;
    padding: 10px 20px;
    font-weight: 600;
    border: 1px solid #0a0a0a;
    cursor: pointer;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    transition: all 0.3s;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -ms-transition: all 0.3s;
    -o-transition: all 0.3s;
    &:hover
{
        background-color: #181815;
        border: 1px solid #fff;
    }

}
textarea {

    width: 100%;
    height: 80%;
    border: 0;
    outline: none;
    padding: 10px;
    font-size: 18px;
    font-weight: bold;
    resize: none;
}

.addBtn {
    position: fixed;
    top: 30px;
    right: 30px;
}
@media  (max-width:700px) {
    .note{
        flex-basis: 100%;
    }
}