* {
  font-family: arial;
}

/* 12 A */

.a-flex {
  display: flex;
  flex-direction: row;
}

.a-flex-1 {
  background-color: #aedfff;
  width: 200px;
}

.a-flex-2 {
  background-color: #ffc1b9;
  width: 75px;
}

/* 12 B */

.b-flex {
  display: flex;
  flex-direction: row;
}

.b-flex-1 {
  background-color: #aedfff;
  width: 50px;
}

.b-flex-2 {
  background-color: #ffc1b9;
  flex: 1;
}

.b-flex-3 {
  background-color: #aedfff;
  width: 75px;
}

/* 12 C */

.c-flex {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.c-flex-item {
  background-color: #ffc1b9;
}

/* 12 D */

.d-flex {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  border: solid gray;
  border-width: 1px;
  align-items: center;
  height: 50px;
}

.d-flex-1 {
  background-color: #ffc1b9;
}

/* 12 E */

.e-box {
  width: 300px;
  border: solid rgb(179, 179, 179);
  box-shadow: 0px 0px 5px -2px;
  border-width: 1px;
  border-radius: 6px;
  -webkit-border-radius: 6px;
  -moz-border-radius: 6px;
  -ms-border-radius: 6px;
  -o-border-radius: 6px;
}

.e-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 8px 12px;
}

.e-a {
  color: black;
  text-decoration: none;
  font-size: 17px;
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

.e-a:hover {
  color: rgb(0, 119, 255);
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

.e-p {
  padding: 3px 10px;
  color: white;
  background-color: rgb(0, 119, 255);
  border-radius: 50px;
  -webkit-border-radius: 50px;
  -moz-border-radius: 50px;
  -ms-border-radius: 50px;
  -o-border-radius: 50px;
  font-size: 14px;
  font-weight: bold;
}

/* 12 F */
.f-box {
  background-color: rgb(121, 82, 179);
  padding-left: 20px;
  padding-right: 20px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.f-box-home {
  color: white;
  font-weight: bold;
  text-decoration: none;
  font-size: 20px;
  transition: 0.2s;
}



.f-box-input {
  color: gray;
  border: none;
  border-radius: 25px;
  padding: 10px 15px;
  width: 140vh;
  font-size: 14px;
  padding-left: 20px;
  margin-right: 10px;
  margin-left: 10px;
  margin-top: 15px;
  margin-bottom: 15px;
  padding-left: 25px;
  transition: 2s;
  -webkit-transition: 2s;
  -moz-transition: 2s;
  -ms-transition: 2s;
  -o-transition: 2s;
}

.f-box-home:hover, :focus {
  box-shadow: 0;
  text-shadow: 0px 0px 3px white;
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

.f-box-btn {
  cursor: pointer;
  background-color: rgb(120, 82, 178);
  color: white;
  font-size: 20px;
  border: 2px solid white;
  border-radius: 4px;
  padding-top: 8px;
  padding-bottom: 8px;
  padding-left: 15px;
  padding-right: 15px;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  -ms-border-radius: 4px;
  -o-border-radius: 4px;
  transition: 0.5s;
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
}


.f-box-input:hover, :focus {
  outline: none;
  box-shadow: 0px 0px 5px 0px white;
  transition: 0.5s;
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
}

.f-box-btn:active {
  cursor: pointer;
  background-color: rgb(120, 82, 178);
  color: white;
  font-size: 20px;
  border: 2px solid white;
  transition: 0.3s ease-in-out;
  -webkit-transition: 0.3s ease-in-out;
  -moz-transition: 0.3s ease-in-out;
  -ms-transition: 0.3s ease-in-out;
  -o-transition: 0.3s ease-in-out;
}

.f-box-btn:hover {
  transition: 0.2s;
  color: rgb(120, 82, 178);
  background-color: white;
  border-color: white;
  box-shadow: 0px 0px 10px 0px white;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

/* 12 G */

.g-box {
  width: 450px;

  border: solid rgb(180, 180, 180);
  border-radius: 10px;
  border-width: 1px;
  padding: 10px;
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
}

/* no night mode / light mode: delete every additional selector .g-box:hover ... and 
set only the .g-box:hover selector */

/* .f-box:hover light mode */
.g-box:hover {
  border-color: rgb(181, 181, 181);
  background-color: #ffffff;
  box-shadow: 0px 0px 7px -2px;
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

/* .f-box:hover night mode, or ctrl + slash ( / ) */
.g-box:hover {
  border-color: black;
  background-color: #1f1f1f;
  box-shadow: 0px 0px 20px -2px;
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

.g-box:hover .g-name {
  color: rgb(255, 255, 255);
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

.g-box:hover .g-name:hover {
  color: rgb(190, 190, 190);
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

.g-box:hover .g-p {
  color: rgb(158, 158, 158);
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

.g-box:hover .btn-follow {
  background-color: rgb(21, 68, 255);
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

.g-box:hover .btn-follow:hover {
  background-color: rgb(62, 101, 255);
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

.g-box:hover .btn-follow:active {
  background-color: rgb(114, 142, 255);
  transition: 0.2s;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

.g-box:hover .g-profile-img:hover {
  transition: 0.5s;
  box-shadow: 0px 0px 5px -0px rgb(74, 74, 74);
  filter: brightness(90%);
  -webkit-filter: brightness(90%);
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
}

.g-profile-box {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin-bottom: 20px;
}

.g-profile-img {
  margin-right: 15px;
  object-fit: cover;
  width: 65px;
  height: 65px;
  filter: none;
  transition: 0.5s;
  border-radius: 100%;
  -webkit-border-radius: 100%;
  -moz-border-radius: 100%;
  -ms-border-radius: 100%;
  -o-border-radius: 100%;
  -webkit-filter: none;
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
}

.g-profile-img:hover {
  transition: 0.5s;
  box-shadow: 0px 0px 5px -1px;
  filter: brightness(90%);
  -webkit-filter: brightness(90%);
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
}

.g-profile-user {
  width: 275px;
}

.g-name {
  display: inline-block;
  font-size: 20px;
  color: black;
  margin-bottom: 3px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.2s;
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
}

.g-name:hover {
  transition: 0.2s;
  color: rgb(98, 98, 98);
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}

.g-p {
  color: rgb(121, 121, 121);
  margin: 0;
}

.g-desc {
  padding-bottom: 7px;
  font-size: 20px;
}

.g-category {
  padding: 0;
  padding-bottom: 0;
  font-size: 17px;
}

.btn-follow {
  background-color: rgb(81, 156, 255);
  color: white;
  padding: 10px 15px;
  font-size: 20px;
  font-weight: bold;
  border-radius: 5px;
  border: none;
  cursor: pointer;
  transition: 0.3s;
  -webkit-transition: 0.3s;
  -moz-transition: 0.3s;
  -ms-transition: 0.3s;
  -o-transition: 0.3s;
}

.btn-follow:hover {
  transition: 0.2s;
  background-color: #0066ff;
  -webkit-transition: 0.2s;
  -moz-transition: 0.2s;
  -ms-transition: 0.2s;
  -o-transition: 0.2s;
}