style.css

* {
  margin: 0;
  padding: 0;
  font-family: "Nunito", sans-serif;
  color: white;
}

/* header */
nav {
  background: black;
  position: fixed;
  width: 100%;
  z-index: 99;
}

nav ul {
  height: 3em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  padding: 0 5em;
  box-sizing: border-box;
}

nav a {
  text-decoration: none;
  color: white;
}

nav .brand a {
  font-size: 1.1em;
  font-weight: bold;
}

nav .user a {
  width: 20em;
  font-size: 0.9em;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  box-sizing: border-box;
}

nav img {
  margin-left: .3em;
  border-radius: 50%;
}
/* end header */

/* main */
main {
  display: flex;
  justify-content: space-around;
  padding-top: 3em;
  background-image: linear-gradient(to right,rgba(0, 0, 0, .8), rgba(0, 0, 0, .5));
}

/* section form input */
main section.form-input {
  width: 50% !important;
  height: 100vh;
  box-sizing: border-box;
  padding: 2em 5em;
}

main section.form-input,
main section.list-item {
  z-index: -1;
}


.form-input h2 {
  margin-bottom: .5em;
}

.form-input ul {
  list-style: none;
}

.form-input li {
  display: flex;
  flex-direction: column;
  margin: 0.7em 0;
}

.form-input li.checkbox {
  width: 7.8em;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
}

.form-input label {
  margin: 0.2em 0;
  text-shadow: .1em .05em .01em black;
}

.form-input input,
.form-input select,
.form-input button {
  color: black;
  padding: 0.6em;
  border: none; 
  border-radius: .2em;
  box-shadow: .1em .1em .2em black;
}

.form-input input:hover,
.form-input select:hover,
.form-input button:hover {
  background-image: linear-gradient(to right,rgba(0, 0, 0, .8), rgba(0, 0, 0, .5));
  box-shadow: .1em .1em .1em black;
  color: white;
}

.form-input button:hover {
  cursor: pointer;
}

option {
  color: black;
}
/* end section form input */

/* form edit===============================================================================================33####### */
.form-edit {
  height: 65vh !important;
  background-image: linear-gradient(to right,rgba(0, 0, 0, .8), rgba(0, 0, 0, .5));
  border-radius: .2em;
  position: absolute;
  top: 5em;
  z-index: 999;
  transition: all .3s;
  visibility: hidden;
}

.form-edit .close {
  position: absolute;
  top: .5em;
  right: .5em;
  height: 1.5em;
}

main img:hover {
  cursor: pointer;
}

/* section list item */
main section.list-item {
  width: 50% !important;
  height: 100vh;
  padding: 2em 5em;
  box-sizing: border-box;
}

.list-item header.header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1em;
  position: relative;
}

.list-item aside header {
  width: 14em;
  display: flex;
  align-items: center;
  box-sizing: border-box;
  margin-bottom: .5em;
}

.list-item aside header img {
  margin-right: .3em;
}

.list-item .img-search {
  position: relative;
  z-index: 2;
}

.list-item .form-search {
  position: absolute;
  right: 0;
}

.form-search input {
  padding: 0.5em;
  border: none; 
  border-radius: .2em;
  width: 0em;
  transition: all .3s;
  opacity: 0;
}

.img-search-toggle {
  width: 15em !important;
  opacity: 1 !important;
  padding-right: 2em !important;
}

.img-search-toleft {
  right: .2em !important;
}

.form-search button {
  opacity: 0;
  position: absolute;
  display: block;
}

.list-item .item {
  width: 100%;
  height: 4em;
  background: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1em;
  padding: 0 1em;
  border-radius: .2em;
  box-shadow: .1em .1em .1em silver;
  box-sizing: border-box;
}

.list-item .item:hover {
  background-image: linear-gradient(to right,rgba(0, 0, 0, .8), rgba(0, 0, 0, .5));
  color: white !important;
  box-shadow: .1em .1em .1em black;
}

.list-item .item:hover h4,
.list-item .item:hover p {
  color: white !important;
}

.list-item .item h4,
.list-item .item p {
  color: rgba(0, 0, 0, .7) !important;
}

.list-item .item p {
  font-size: .8em;
  margin-top: .2em;
}

.list-item .item .button {
  width: 4.5em;
}

.list-item .item .button {
  display: flex;
  justify-content: space-between;
  width: 5em;
}

#completed .item .button {
  justify-content: flex-end;
}

#completed .item .button img {
  margin-left: .5em;
}
/* end section list item */

/* message */
section#message {
  position: absolute;
  z-index: 8;
  left: 32.2%;
  transform: translateY(-5em);
  opacity: 1;
  transition: all .3s;
}

.flash-message {
  width: 30em;
  height: 4em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1em;
  background: #00e600;
  border-radius: .2em;
  box-sizing: border-box;
}
/* end message */

/* usernmae */
section#username {
  position: absolute;
  z-index: 99;
}

#username .form-inputUsername {
  background-image: linear-gradient(to right,rgba(0, 0, 0, .8), rgba(0, 0, 0, .5));
  padding: 2em 4em;
  width: 24em;
  border-radius: .2em;
  box-shadow: .1em .1em .2em black;
  margin-top: 2em;
  box-sizing: border-box;
}

.form-inputUsername h4 {
  color: snow;
}

#username form {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1em;
}

.btn-close {
  position: absolute;
  top: 2.5em;
  right: .5em;
}

#username input,
#username button {
  height: 1em !important;
  padding: .5em .3em;
  color: black;
  border-radius: .2em;
  border: none;
  box-shadow: .1em .1em .2em black;
}

#username input {
  width: 15em;
}

#username button {
  height: 2em !important;
  margin-left: .5em;
  cursor: pointer;
}
/* usernmae */

/* end main */

/* footer */
footer {
  background: black;
  height: 2em;
  display: flex;
  justify-content: center;
  align-items: center;
}

footer p, 
footer a {
  color: rgb(163, 163, 163);
  font-size: .7em;
}

footer a {
  font-size: .9em;
}
/* footer */

@media screen and (max-width: 576px) {
  /* header */
  nav ul {
    justify-content: space-between;
    padding: 0 1em;
  }
 
  section h2,
  nav .brand a {
  font-size: 1em;
  }

  nav .user a {
  font-size: 0.75em;
  width: 15em;
  }
  /* end header */

  /* main */
  main {
  display: flex;
  flex-direction: column;
}

main img {
  width: 1em;
  height: 1em;
}

section h3 {
  font-size: .8em;
}

main section.form-input, 
main section.list-item{
  width: 100% !important;
  height: 23em !important;
  padding: 2em 1em;

}

main section.list-item {
  margin-top: -3em !important;
}

.form-input li.checkbox {
  width: 6em;
}

.form-input input,
.form-input select,
.form-input button,
.form-input label {
  font-size: 0.75em;
}

.form-input label {
  margin: 0.4em 0;
}

main section.list-item {
  height: 100vh !important;
}

.list-item .item h4 {
  font-size: .75em;
}

.list-item .item p {
  font-size: .7em;
}
/* ------------------------------ */

section.form-edit {
  top: 5em;
  right: 0em;
  height: 100em !important;
  background: black;
}

.list-item .item .button {
  width: 4em;
}

.img-search-toleft {
  right: .2em !important;
  top: .35em !important;
}

#completed .item .button {
  justify-content: flex-end;
}
#completed .item .button img {
  margin-left: .3em;
}

section#message {
  left: 5.5%;
  top: 4em;
}

.flash-message {
  width: 20em;
  height: 3em;
}
/* message */

/* username */
section#username {
  -webkit-transform: translateX(-50%);
  left: 50%;
}

#username .form-inputUsername {
  width: 20em;
}

.form-inputUsername h4 {
  margin-left: -1.3em;
}

section#username {
 top: 5em;
}
/* username */

.form-search input {
  width: 11em !important;
}

  /* end main */
}