my-project/src/App.scss

.App {
  text-align: center;
}

.App-logo {
  height: 40vmin;
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .App-logo {
    animation: App-logo-spin infinite 20s linear;
  }
}

.App-header {
  background-color: #282c34;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: calc(10px + 2vmin);
  color: white;
}

.App-link {
  color: #61dafb;
}

@keyframes App-logo-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}



.mainHome{
  background-color: #EEEFF1;
  padding-top: 26px;
}


.preloader{
  width: 100%;
  height: 100%;
}

.headerButton{
  display: flex;
}

.myButt{
  width: 100%;
}

.commentAvatar{
  display: flex;
  align-items: center;
}

.avatarName{
  margin-left: 8px;
}

.comment{
  padding-left: 4%;
  padding-bottom: 4%;
}


@media only screen and (min-width: 650px) {
	.mainHome{
    background-color: #EEEFF1;
    padding-top: 26px;
  }
}

@media only screen and (min-width: 868px) {
	.mainHome{
    background-color: #EEEFF1;
    padding-top: 26px;
  }
}

@media only screen and (min-width: 1100px) {
	.mainHome{
    background-color: #EEEFF1;
    padding-left: 26px;
    padding-right: 26px;
    padding-top: 26px;
  }

  .mainCard{
    margin-left: 5%;
    margin-right: 5%;
  }
}