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

html {
    font-size: 62.5%;
    font-family: sans-serif;
}

body {
    width: 100%;
}

.header {
    width: 100%;
    height: 7.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: black;
    position: fixed;
}

.header__div {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.header__burger {
    font-size: 3rem;
    color: white;
}

.header__logo {
    width: 5rem;
}

.header__form {
    height: 3rem;
    height: 5rem;
}

.form__text {
    height: 100%;
    width: 60rem;
    border-radius: 4rem;
    border: none;
    padding: 1rem 2.2rem;
    font-size: 2rem;
    color: gray;
    background: black;
    border: 1px solid gray;
    outline: none;
}

.form__text:focus {
    border: 1px solid #3ea6ff;
}

.post__button {
    height: 3rem;
    width: 5rem;
    background: black;
    color: white;
    border: white 1px solid;
    border-radius: 0.5rem;
}

.login__button {
    height: 3rem;
    width: 5rem;
    background: black;
    color: white;
    border: white 1px solid;
    border-radius: 0.5rem;
}

main{
    display: flex;
}

.menu {
    height: calc(100vh - 7.5rem);
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    background: black;
    width: 18%;
    position: fixed;
    bottom: 0;
}

.menu__item {
    font-size: 2rem;
    color: white;
    width: 92%;
    padding: 1rem;
    border-radius: 1rem;
    list-style: none;
    display: flex;
    gap: 2rem;
}

.menu__item:hover{
    cursor: pointer;
    background: #292929;
}

.post__section {
    padding: 8.5rem 1rem 1rem calc(18% + 1rem);
    background: black;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    height: auto;
    gap: 2rem;
}

.post {
    display: flex;
    flex-direction: column;
    width: 30%;
    gap: 1rem;
    padding: 1rem;
    background: black;
    color: white;
    border: rgba(255, 255, 255, 0.2) solid 1px;
    justify-content: space-between;
}

.post__header {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header__img {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    object-fit: cover;
}

.username {
    font-size: 2rem;
}

.header__div {
    display: flex;
}

.time {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.5);
}

.post__text {
    font-size: 2rem;
}

.post__img {
    width: 100%;
    border-radius: 2rem;
}

.post__reactions {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.reaction__div {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.reaction__icon {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.5);
}

.reaction__number {
    color: rgba(255, 255, 255, 0.5);
}