styles.css

@import url("https://fonts.googleapis.com/css?family=Poppins");
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

body {
  width: 100%;
  height: 100vh;
  font-family: "Poppins",sans-serif;
  margin-top: 55px;
}

header{
  padding: 5px 20px;
  background-color: #FEF9A7 ;
  position: absolute;
  width: 100%;
  top: 0;
}

aside {
  float: left;
  background-color: #FAC213;
  width: 30%;
  height: 100vh;
}

aside ul > li {
  list-style: none;
  margin: 15px;
  border: 4px solid black;
  padding: 5px 10px;
  border-radius: 10px;
}

aside button {
  display: block;
  margin: 15px auto;
  padding: 5px 30px;
  border-radius: 5px;
  font-weight: 900;

}

main {
  width: 70%;
  height: 100vh;
  background-color: #F77E21;
  display: flex;
  flex-direction: column;
}



.button-group{
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin: 20px 0;
}

.button-group button{
    padding: 3px 10px;
}

.buttons{
    display: flex;
    justify-content: space-evenly;
    margin: 10px;
}

.buttons button{
    padding: 5px 10px;
    border-radius: 5px ;
    margin-top: 60px;
}

button:hover {
    border: 1px solid black;
    box-shadow: -5px 7px 0.5em -0.4em black;
    transform: translateY(-0.25em);
    transition: all 100ms ease-in-out;
  }

.container-notemaker{
    margin: 15px;
    display: flex;
    flex-direction: column;
}

input,textarea{
    width: 100%;
    margin-bottom: 20px;
    padding: 2px 10px;
    border: none;
    border-radius: 5px;
    /* background-color: transparent; */
}

textarea{
    height: 80%;
    margin-top: 30px;
    font-size: 15px;
    font-weight: 900;
}

form{
    flex-grow: 1;
}

input{
    font-size: 15px;
    font-weight: 900;
}

input{
    height: 30px;
}
input:focus,
textarea:focus {
  background-color: #fff;
}
/* 
input:focus::placeholder {
    color:black
  } */
  
  ::placeholder {
  color: black;
  }

  .container-details h2{
    margin-bottom: 10px;
    font-size: 40px;
  }

  .container-details p{
    font-size: 25px;
  }

  @media screen and (max-width: 768px) {
    body {
      display: flex;
      flex-direction: column-reverse;
    }
    main {
      width: 100%;
      height: auto;
    }
  
    aside {
      width: 100%;
    }
  
    header {
      font-size: 15px;
    }
  
    .add-btn {
      position: absolute;
      top: 0;
      right: 0;
      margin-right: 20px;
      padding: 2px 15px;
    }
  }