* {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Roboto", sans-serif;
  margin: 20px;
}

nav {
  display: flex;
  justify-content: space-evenly;
  align-items: center;
}
nav .a-navbar {
  text-decoration: none;
  text-align: center;
  padding: 15px;
  margin: 0 10px;
  border-radius: 25px;
  color: #5f5f5f;
  font-weight: 500;
  transition: background-color 0.5s, color 0.5s, box-shadow 0.5s;
}
nav .a-navbar:focus {
  background-color: black;
  color: white;
}
nav .a-navbar:hover {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}
nav img {
  width: 40px;
}
nav .search-bar-div {
  position: relative;
  right: 20px;
  display: flex;
  flex-grow: 2;
  flex-shrink: 2;
}
nav .search-bar-div input {
  padding-left: 47px;
  font-size: 17px;
  color: #5a5a5a;
}
nav .search-bar-div ::placeholder {
  font-size: 17px;
  color: #5a5a5a;
}
nav .search-bar-div .search-icon {
  z-index: 2;
  padding: 5px 0 5px 5px;
  height: 18px;
  position: relative;
  left: 49px;
  top: 8px;
}
nav .search-bar-div .search-icon:hover {
  cursor: pointer;
}
nav .search-bar-div .search-bar {
  flex-grow: 2;
  flex-shrink: 2;
  height: 45px;
  border-radius: 23px;
  border: none;
  outline: none;
  border-width: 0;
  background-color: #e9e9e9;
  transition: background-color 0.5s, box-shadow 0.5s;
}
nav .search-bar-div .search-bar:hover {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}
nav .search-bar-div .search-bar:focus, nav .search-bar-div .search-bar:active {
  outline: none;
  border: none;
  background-color: #d4d4d4;
}
nav .bell-icon {
  padding: 10px;
  width: 22px;
  filter: invert(0.3) sepia(10) saturate(0) hue-rotate(175deg);
}
nav .bell-icon:active {
  cursor: pointer;
}
nav .down-icon {
  position: relative;
  bottom: 2px;
  padding: 10px;
  width: 17px;
  filter: invert(0.3) sepia(10) saturate(0) hue-rotate(175deg);
}
nav .down-icon:active {
  cursor: pointer;
}

.mainconteiner {
  margin: auto;
  padding-top: 20px;
  width: 95vw;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2vw;
}
.mainconteiner .colombs-divs {
  display: flex;
  flex-direction: column;
  gap: 2vw;
  width: clamp(15rem, 14vw, 20rem);
}
.mainconteiner .colombs-divs img {
  max-width: 100%;
  border-radius: 20px;
  transition: filter 0.3s;
}
.mainconteiner .colombs-divs img:hover {
  filter: brightness(60%);
}