<!-- Прямая линия -->
<svg width="232" height="2" viewBox="0 0 232 2" fill="none" xmlns="http://www.w3.org/2000/svg">
<line y1="1" x2="232" y2="1" stroke="#6EA25D" stroke-width="2" stroke-dasharray="2 2" fill="transparent"/>
</svg>
<!-- Боковая правая линия -->
<svg width="122" height="219" viewBox="0 0 122 219" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M0.499996 1H60.5C93.6371 1 120.5 27.8629 120.5 61V158C120.5 191.137 93.6371 218 60.5 218H2.40476" stroke="#6EA25D" stroke-width="2" stroke-dasharray="2 2" fill="transparent"/>
</svg>
<!-- Боковая левая линия -->
<svg width="121" height="219" viewBox="0 0 121 219" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M121 1H61C27.8629 1 1 27.8629 1 61V158C1 191.137 27.8629 218 61 218H119.095" stroke="#6EA25D" stroke-width="2" stroke-dasharray="2 2" fill="transparent"/>
</svg>
background-repeat: repeat, repeat
, то первый фон перекроет второй.