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

body { /*he querido trabajar con un fondo gris acero porque el negro no me acaba de gustar */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #5d7286; 
    font-family: 'Roboto', sans-serif;
}

.instagram-box {
    width: 45vh; 
    height: 60vh;
    background: linear-gradient(to bottom, white, #dceaf5);
    box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.2); /* aqui he añadido una pequeña sombra para separar el post del fondo */
    display: flex;
    flex-direction:column;
    border-top-right-radius: 30px;
    border-bottom-left-radius: 30px;
    overflow: hidden;
}


.top-box {
    width: 45vh;
    height: 6vh;
    background-color: transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px;

}
.top-box i {
    font-size: 4vh; 
}
.profile{
    display: flex;
    align-items: center; 
}

.icon-profile {
    width: 4vh; 
    height: 4vh;
    background-color: transparent;
    position: relative;
    margin: 2px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.profile-text {
    display: flex;
    flex-direction: column;
    font-size: 1.3vh;
    margin-left: 0.8vh; 

}
.icon-option {
    width: 3vh; 
    height: 3vh;
    background-color: transparent;
    position: relative;
    margin-right: -1vh;
    
}
.icon-option i {
    font-size: 3vh; 
    
}

.img {
    width: 45vh; 
    height: 24vh;
    background-image: url('https://i0.wp.com/www.everychusday.com/wp-content/uploads/2020/04/suminagashi_black.jpg?w=750&ssl=1');
    background-size: cover; 
    background-position: center; 
    background-repeat: no-repeat; 
    position: relative;
    bottom: 0;
    left: 0;
}

.bottom-box {
    width: 45vh;
    height: 6vh; 
    background-color: transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px;

}
.bottom-box i {
    font-size: 2.5vh; 
}

.icons-share {
    display: flex;
    justify-content: space-between;
    width: 25%; 
    padding: 0; 
    margin-top: 5px;
    margin-left: 5px;
}

.icons-share .icon-sh {
    width: 3vh;
    height: 3vh;
    background-color: transparent;
    
}
.icon-save {
    width: 3vh; 
    height: 3vh;
    background-color: transparent;
    position: relative;
    margin-top: 5px;
    margin-left:auto;
    margin-right: 0;
    
}

.text {
    width: 45vh;
    height: 23.6vh; 
    background-color: transparent;
}

h5 {
    font-family: inherit;
    margin-left: 12px;
    margin-right: 10px;
    font-weight: 400;
}