html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
    margin-bottom: 60px;
    background-color: #009EDD
}
iframe {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
}
.flex_container {
    display: flex;
    justify-content: space-between;
    width: 80%;
    margin: 0 auto;
}

.item {
    text-align: center;
}
/*
.img_left {
    float: left;
    margin-left: 30%;
}

.img_center {
    margin: 0 auto;
}

.img_right {
    float: right;
    margin-right: 30%;
}*/