body {
}

h1 {
    font-style: italic;
    font-size: min(55px, 4.5vw);
    display: block;
    margin-left: 0;
    margin-right: 0;
}

img {
  height: auto;
  width: 95%;
  /* еще больше контроля с max-width */
  max-width: 920px;
}

.img_m {
  height: auto;
  width: 25%;
  /* еще больше контроля с max-width */
  max-width: 220px;
}

aside {
    float: up;
    background: #0d6efd;
    width: 100%;
    padding: 0.5%;
    height: 15%;
    color: #fff;
    border: 2px solid #800000;
}

aside .logo {
    font-size: 0px;
    margin-left: 0px;
    font-weight: boult;
    position: relative;
    top: 1px;
}

aside button {
    margin-left: 0px;
    }

main {
min-height: 100vh;
}

main .features {
    float: left;
    background: #40E0D0;
    width: 100%;
    padding: 1%;
    min-height: 80vh;
    text-align: center;
    margin-top: 0px;
    color: #000;
    border-up: 3px solid #800000;
}

main .featuress {
    font-style: italic;
    text-align: center;
}

main form {
    text-align: center;
    margin-left: 0%;
    width: 100%;
    margin-top 20px;
}

 * {
      touch-action: manipulation;
  }