div.text_a
{  display: flex;  
   height: 100vh;     /*1vh = 1% от высоты окна.*/
   overflow: hidden;  
   justify-content: center;  
   align-items: center;
}

.layer {
    font-family: Merriweather,sans-serif; 
    background: #47520E; /* Цвет фона #80B7EE  #fc3*/
    border: 2px solid black;  /* Параметры рамки */
    text-indent: 20px; /* Отступ первой строки в пикселах */
    padding: 20px; /* Поля вокруг текста */
    color: #ffffff; /* Цвет #0000FF*/
    font-weight: 600; /* Жирное начертание */
    
   }


textarea.any 
{  font-size: 24px;  
   border:10px solid black;  
   padding: 2rem 1rem;  
   min-height: 3em;  
   resize: both;
   width: 50vw;     /*1vw = 1% от ширины окна.*/
/*   rows="10"
   cols="20"     */
   text-align: center;  
   background: #ffd73e33;  
   border-image: url("data:image/svg+xml;charset=utf-8,%3Csvg width='100' height='100' viewBox='0 0 100 100' fill='none' xmlns='https://www.w3.org/2000/svg'%3E %3Cstyle%3Epath%7Banimation:stroke 5s infinite linear%3B%7D%40keyframes stroke%7Bto%7Bstroke-dashoffset:776%3B%7D%7D%3C/style%3E%3ClinearGradient id='g' x1='0%25' y1='0%25' x2='0%25' y2='100%25'%3E%3Cstop offset='0%25' stop-color='%232d3561' /%3E%3Cstop offset='25%25' stop-color='%23c05c7e' /%3E%3Cstop offset='50%25' stop-color='%23f3826f' /%3E%3Cstop offset='100%25' stop-color='%23ffb961' /%3E%3C/linearGradient%3E %3Cpath d='M1.5 1.5 l97 0l0 97l-97 0 l0 -97' stroke-linecap='square' stroke='url(%23g)' stroke-width='3' stroke-dasharray='388'/%3E %3C/svg%3E") 1;
}