html {
    height: 100%;
}

body {
    background-color: #2b2d30;
    margin: 0;
    padding: 0;
    width: 100%; /* Use percentage instead */
    height: 100%; /* Use percentage instead */
    display: flex;
    justify-content: top;
    align-items: top;
    overflow: hidden;
}

#ComposeTarget {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

 #safeAreaHelper {
    position: absolute;
    top: 0;
    left: 0;
    height: env(safe-area-inset-bottom);
    width: 0;
    pointer-events: none;
    opacity: 0;
 }

#warning {
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.spinner {
    margin: auto;
    left:0;
    right:0;
    top:0;
    bottom:0;
    position: fixed;
    width: 48px;
    height: 48px;
    border: 5px solid #dfe1e5;
    border-bottom-color: #375fad;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
    z-index: 1;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}