body {
margin: 0;
padding: 0;
background-color: #0a0a0a;
font-family: "Source Sans 3", calibri, arial, serif;
font-size: 16px;
color: #ffffff;
display: flex;
flex-direction: column;
min-height: 100vh;
}

@supports (-moz-appearance: none) {
* {
outline: none;
}
}

h1 {
font-size: 24px;
font-weight: normal;
margin-left: 4px;
}

a {
cursor: pointer;
color: #0066cc; 
}

.page {
margin: 20px auto 10px auto; 
width: 700px; 
background-color: #0a0a0a; 
border: 1px solid #111111;
border-radius: 10px; 
padding: 10px; 
box-sizing: border-box;
}

.back {
margin: 0px; 
padding: 0px; 
border: 1px solid #0a0a0a; 
background: #111111; 
width: 36px; 
height: 36px; 
border-radius: 10px;
display: flex; 
justify-content: center;
align-items: center;
cursor: pointer;
}

.back:hover {
-webkit-filter: brightness(1.6);
}

.back-icon {
height: 20px; 
width: 26px;
}

@media (max-width: 600px) {
.page {
width: 350px;
}
}